In my opinion, fighting a defensive team with an offensive strategy is not as effective if you need a lot of goals. I don't know, perhaps it's just my preference since I am not a strong believer of attacking strategy. In the last 4 seasons, I always use normal or defensive mentality, yet my team always is the team with the most goal scored. So my point is, it might be a bad idea to fight defensive with offensive.

Back to your case, 4-1-4-1 is generally a defensive formation with explosive counter attack. So if I were you, I have 2 options, first if i have a better quality then I would I match the formation and use the same strategy which is defensive and counter attack. My second option and the one I personally use to defeat a better team on an away match is using 3w-1-4-2 with defensive, down both flank and counter attack. I won 1-3 btw.

But that suggestion doesn't guarantee you'll get more than 4 goal on an away match. Because in my experience that is really hard when you facing a defensive team except if you are willing to buy tons of tokens and buy 11 new scout player then it could be easier.

So good luck