"We are in a situation when I have to think, think, think," said Mourinho.
"I look to bench and we don't have attacking players. I had to take off Erik Lamela because of fatigue but we showed an incredible reaction to score a second goal.
"When Chelsea want to win they bring on Michy Batshuayi. When Manchester City want to change Gabriel Jesus they bring in Sergio Aguero.
"We are so, so unlucky with injuries. We get back Hugo Lloris and we lose Harry Winks. It's incredible."