Messed up, need to destroy 4-2-3-1. Help needed.

[FCmonster]

I really like all of your input guys, it really helps me to understand the tactics better. He has now unfortunately changed his weird 4-5-1 formation to a standard 4-5-1V. Since I have to beat him by at least 3-0 and 4-5-1V doesn't have any real weakness the only idea I have is to exploit where he has weak players. Perhaps 4-2-2w-2 and attack his flanks?? Please come with input as the game is four hours away.

His team

My team