Cup match away urgent

I have match vs 28 quality team. I'm 31

His formation is

GK
DL---DC---DC---DR
------DMC-------
------MC-------
AML----AMC---AMR
-------ST------





What formation and order should i use ??

I'd recommend 3-4-3 flat, but i'm not sure though...

I was thinking

DL------DC------DR
--------DMC-------
-----MC-----MC
AML-------------AMC
------ST--ST-------