It marked the Portugal international's first hat-trick in senior football.
"Really pleased," said Neto. "I think the mentality of the team was amazing. We came to a tough place, winning 4-0 away. This competition is really tough. So we are really happy to go through to the next round.
"To be honest, on the second goal, I was in doubt if it was mine or not. At the end of the game, I went to the referee and asked whether it was a hat-trick or not. Did I have the right to the ball? He said, 'Yeah, yeah, you have the right!'
"But most of all, I'm happy that we went through. We did an unbelievable performance against a tough team away and I think it's a well-deserved win."
He also said, "It's my first senior hat trick.
"So we'll have a party tonight! It means a lot. I will continue to work hard to give the fans and my teammates happiness and more goals like this. So I’m really happy.
"We have to keep winning, but first of all, we have to keep improving. I think there are more details that can take us to the next step. So we are really working hard on that."