But Benitez insisted that the Premiership and Champions League must take priority.
"I have to think of the bigger picture," said the Liverpool boss. "I'm working to build a new team for the future. If you want the team rebuilt, you need money.
"You need to get into the Champions League and get as far as possible because that means more finances.
"I never want to be a manager who says we can't win this or that competition, but the reality is I know we don't have a squad which can compete for four trophies.
"In the future, I want to make a team that will be able to do so. We are not just working for one game. I want to build a squad which can fight in four competitions, but at this moment that is too difficult for us."