You could probably use any variant of narrow formation.

I would use either a 5-3(N)-2, 4-4(ND)-2 or a 4-1-3(N)-2. If you use either of these, you will be relying on your full-backs to deal with the ML & MR.

If you don't feel like doing that, then I'd stick to 4-4-2 or 4-1-4-1 you're planning.