need help with 3-2-2-1-2 offset

[Drafn]

I have an away game in the cup facing a weird formation with about even teams,and i need some help on how to counter it.
His formation looks like this:
------st---st------
aml---------------
-----mc---mc---
dml---dmc-----
-----dc---dc---dr

im down 3-2 before the return match at home. Please help. I also now have 2 first team injuries.