That brings our live text coverage to an end on an underwhelming night for our Scottish clubs in Europe.
Read our match reports from Celtic's defeat and Hearts' draw, and visit their dedicated club pages to have your say on the matches.
And you can scroll down for reaction from the managers, pundits and more.
Thanks for joining. We'll be back over the weekend.
FT: Benfica 4-1 Celtic
Some more from Celtic boss Martin O'Neill before we finish up. He says he thinks Duran's "strongest position is through the middle".
What does that mean for Kasper Hogh?
"[Duran] has played wide at his previous clubs," O'Neill adds. "But I personally feel his best position is through the middle.
"It's now a matter of us trying to fit him in and I think we can do that. It's a real battle for places now."
Image source, SNSFT: Hearts 1-1 Nordsjaelland
Hearts head coach Wouter Vrancken tells BBC Scotland: "Not so much frustration, more disappointment because of the late goal. And also because we couldn't show anything more in the last 20 minutes.
"I expected a bit more energy there, when you make substitutions. We lost energy instead of gaining it, and that's not what we need.
"It had to be 2-0 or 3-0 at half-time. Even in the second half, we had moments we have to exploit and do better. Then you kill the game, and you're confident and comfortable.
"As long as the second goal isn't there, you know you're taking more of a risk and there's an all-or-nothing feeling. Then we have to put energy against this, because there's spaces to exploit for us."
Image source, SNSFT: Benfica 4-1 Celtic
'I'd pick Duran over Hogh every day of the week'
Chris Sutton
Former Celtic striker on X
That feeling of apathy once again tonight. Nobody surprised by the outcome... Flat-track bullies.
FT: Benfica 4-1 Celtic
Fair to say Chris Sutton isn't feeling as jovial as his former manager...
FT: Hearts 1-1 Nordsjaelland
Ryan Stevenson
Former Hearts forward on BBC Sportsound
First half was brilliant and if Hearts had managed to get the second goal before the break, they'd have been out of sight.
Second half, they just never really got going. When it got to about 83 minutes, the full stadium was hoping they could see it out, grind it out, and get the 1-0 victory.
They never managed to do that, which was disappointing. It's still a point, the manager will go over things, but they don't have much time.
They just have to put it to bed and get ready to go again on Sunday.
FT: Benfica 4-1 Celtic
Celtic manager Martin O'Neill tells TNT Sports: "Last thing you want to do is concede so early on. We could've capitulated, but I thougt the second-half performance was terrific. We created chance after chance.
"The second-half performance gives me the determination... I think we can still qualify. We can still do it.
"We came roaring back, the subs came on and did brilliantly. We could've scored a number of goals. It changed because two wide players really wanted to get at people.
"I accept on the break they could have scored themselves, as they did with their fourth goal."
When asked if he will take his side's second-half showing into Sunday's encounter with Hearts, he responds: "Absolutely."
FT: Benfica 4-1 Celtic
Celtic boss Martin O'Neill has also been giving his post-match verdict.
He is very upbeat about his team's second-half showing...
FT: Benfica 4-1 Celtic
Image source, SNSCeltic captain Callum McGregor tells TNT Sports: "Disappointing result. We were here to get points and win.
"We were playing against a really good side with with really good quality in final third. First half we didn't help ourselves.
"Second half we score one, probably could score another. Bit of a game of two halves.
"Unforced errors lead to the second and third goals and you have a mountain to climb.
"We know at this level if you don't look after the ball you're going to get punished."
FT: Benfica 4-1 Celtic
Scott Allan
Former Celtic midfielder on BBC Sportsound
For me if I'm a creative midfield player and I've got Camilo Duran and Kasper Hogh to pick from to play up front, I'm taking Duran every day of the week.
FT: Hearts 1-1 Nordsjaelland
Hearts winger Josh McPake tells TNT Sports: "Bit of a gutter, to be fair. I thought for 75 minutes we did really well.
"We took our foot off the gas. I don't want to make any excuses for us. That was down to us. They are a good team with good quality and good players.
"They punished us. that's what happens. I think this team can keep going."
Image source, SNSFT: Hearts 1-1 Nordsjaelland
Some instant reaction from Hearts boss Wouter Vrancken on TNT Sports: "[We played a] really good game, really dominant, really dominant out of possession also.
"In Europe you have to finish [your chances]. We had good moments. We showed ourselves in Europe."
On the trust he has in his squad to handle a hectic schedule with a trip to Celtic to come on Sunday, he adds: "[The players] have showed already they are ready to take over.
"But they are human beings. You can't always be top every day or in every moment. The games are coming fast."
Image source, SNSFT: Hearts 1-1 Nordsjaelland
Ryan Stevenson
Former Hearts forward on BBC Sportsound
In the second half Hearts got what they deserved. They never really got going. First half I thought they were outstanding. I think Hearts will be bitterly disappointed looking back on their chances missed.
FT: Benfica 4-1 Celtic
Thankfully Benfica stopped trying so hard after three, bit like most of the Celtic players. Defensively we are shocking and that starts from the forwards. Really worried about next few weeks.
Alec
Celtic's defence is shocking. Maybe people will understand why the fans are demonstrating against Dermot Desmond. They need players in the defensive positions, but the Celtic board have failed again and again to strengthen.
Jonnie
FT: Benfica 4-1 Celtic
After just two games, no team has conceded more goals than Celtic (seven) in the Europa League this season.
Including the second-leg Champions League play-off collapse at LASK, that's now 12 goals shipped in their past three European matches.
Image source, SNSNext up for these sides?
They meet each other at Celtic Park on Sunday, five months on from that dramatic title decider in May.
Hearts have lost just once in 13 outings since their humbling to Benfica
At a glance
Hearts pass up opportunity for perfect start to Conference League campaign
Late goal denies hosts all three points at Tynecastle after McEntee's opener
Deflected Rojkjaer strike in the 86th minute breaks Hearts
Hearts suffered crushing late disappointment in the opening game of their Conference League campaign as Nordsjaelland snatched a point at Tynecastle.
In a frantic and open game, it seemed that Oisin McEntee's first-half strike - jabbing in a Jamie McCart knock down - would prove to be the winner against the Danes.
There were plenty of opportunities for Hearts to get a second, perhaps none more gilt-edged than Josh McPake's one-on-one chance that he sliced wide under pressure.
And the Scottish Premiership side were ultimately punished for that profligacy, and in cruel fashion, when Nicklas Rojkjaer's 86th-minute strike deflected off McCart to wrongfoot goalkeeper Beau Reus.
The Dutch shot-stopper had already made two good saves in the second-half, while his opposite number Andreas Hansen produced a few fine stops at the other end.
McEntee was denied at the end of the first half, while McPake saw a low, curled effort tipped round a post. That was before the new Scotland cap went one-on-one in the second half, only to put his effort well wide.
Prevailing wisdom seems to suggest nine points will be enough to qualify for the next round and, while there is plenty of football to play yet, Hearts know this is a huge opportunity lost.
There are another two European games to play in the next three weeks - Trabzonspor in Turkey next week and Thun in Switzerland in early November. Before all that, a trip to Celtic on Sunday.
When the groups were drawn, one social media stats page suggested Hearts had been given the fifth-most difficult set of fixtures in the Conference League.
From the opening 30 seconds, Hearts would soon learn that Nordsjaelland would pose a real threat. Prince Amoako Junior was in behind on the left, a position he occupied numerous times throughout the first-half.
The Ghanaian teenager struck the goal frame before Hearts scored, and in the second-half it was the visitors who created more.
Yet, Vrancken's side were still gutted by the result. They felt they had done enough and some might argue they had.
McEntee was outstanding in midfield, a position he hasn't started in since July. Harry Milne looked back to his best at left-back. Malachi Fagan-Walcott and McCart seem to be forming a decent partnership at the back.
But ultimately it's two points dropped rather than a point won.
And in a campaign of tough fixtures - Monaco are top of Ligue 1 and beat PSG recently; Trabzonspor boast ex-Liverpool legend Mo Salah among their number - it's hard to see where Hearts accumulate the required tally.
That's before you take into account the run of games they have before the next international window.
Celtic away, Trabzonspor away, Motherwell away, then Rangers at home - welcome back, Derek McInnes - before an Edinburgh derby League Cup semi-final at Hampden. Four days after that, they travel to Swiss champions FC Thun.
In a period where confidence needs to be kept high, the concession of the late goal feels like a real sucker punch and Vrancken must rally the troops quickly.
Vrancken 'really happy with first 70 minutes'
Hearts head coach Wouter Vrancken: "Not so much frustration, more disappointment because of the late goal. And also because we couldn't show anything more in the last 20 minutes.
"I expected a bit more energy there, when you make substitutions. We lost energy instead of gaining it, and that's not what we need.
"It had to be 2-0 or 3-0 at half-time. Even in the second half, we had moments we have to exploit and do better. Then you kill the game, and you're confident and comfortable.
"It's also good that we can be disappointed with a draw in Europe against a side that have maybe double the budget. These are positives, but it's sport and when you have a late goal against you, you always leave with a bad feeling."
After the opportunity to rate players has closed, the score displayed represents the average from all the submissions by BBC Sport users.
| Team | Played | Won | Drawn | Lost | Goals For | Goals Against | Goal Difference | Points | Form, Last 6 games, Oldest first |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 0 | 0 | 4 | 0 | 4 | 3 |
| |
2 Copenhagen | 1 | 1 | 0 | 0 | 3 | 0 | 3 | 3 |
|
3 Trabzonspor | 1 | 1 | 0 | 0 | 4 | 2 | 2 | 3 |
|
| 1 | 1 | 0 | 0 | 3 | 1 | 2 | 3 |
| |
5 Mjällby | 1 | 1 | 0 | 0 | 2 | 0 | 2 | 3 |
|
6 Sint-Truiden | 1 | 1 | 0 | 0 | 2 | 0 | 2 | 3 |
|
7 Freiburg | 1 | 1 | 0 | 0 | 3 | 2 | 1 | 3 |
|
8 Lugano | 1 | 1 | 0 | 0 | 3 | 2 | 1 | 3 |
|
| 1 | 1 | 0 | 0 | 2 | 1 | 1 | 3 |
| |
10 Brann | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 3 |
|
11 Hajduk Split | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 3 |
|
12 Panathinaikos | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 3 |
|
13 Gent | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 3 |
|
14 Twente | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 3 |
|
| 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
| |
16 Kairat | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
|
17 Midtjylland | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
|
18 Nordsjælland | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
|
19 Egnatia Rrogozhinë | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
|
| 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
| |
21 Riga | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
|
22 Universitatea Craiova | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
|
23 Jablonec | 1 | 0 | 0 | 1 | 2 | 3 | -1 | 0 |
|
24 Red Star Belgrade | 1 | 0 | 0 | 1 | 2 | 3 | -1 | 0 |
|
25 Ajax | 1 | 0 | 0 | 1 | 1 | 2 | -1 | 0 |
|
26 Borac Banja Luka | 1 | 0 | 0 | 1 | 1 | 2 | -1 | 0 |
|
27 Lincoln Red Imps | 1 | 0 | 0 | 1 | 1 | 2 | -1 | 0 |
|
28 CSKA Sofia | 1 | 0 | 0 | 1 | 1 | 2 | -1 | 0 |
|
29 AGF | 1 | 0 | 0 | 1 | 0 | 1 | -1 | 0 |
|
30 Thun | 1 | 0 | 0 | 1 | 0 | 1 | -1 | 0 |
|
31 KuPS | 1 | 0 | 0 | 1 | 2 | 4 | -2 | 0 |
|
32 Pafos | 1 | 0 | 0 | 1 | 1 | 3 | -2 | 0 |
|
33 Iberia 1999 | 1 | 0 | 0 | 1 | 0 | 2 | -2 | 0 |
|
34 Inter Club d'Escaldes | 1 | 0 | 0 | 1 | 0 | 2 | -2 | 0 |
|
35 Sporting Braga | 1 | 0 | 0 | 1 | 0 | 3 | -3 | 0 |
|
36 Kauno Žalgiris | 1 | 0 | 0 | 1 | 0 | 4 | -4 | 0 |
|
Manager:Wouter Vrancken
Formation:4 - 2 - 3 - 1
Manager:Jens Olsen
Formation:3 - 4 - 3
Manager:Wouter Vrancken
Formation:4 - 2 - 3 - 1
Manager:Jens Olsen
Formation:3 - 4 - 3
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