Your damned if you do, your damned if you don't.
Tell ATC you are landing they have 1 min and 30 secs to clear the runway, you carry out memory items.
Stick it on the runway and steer onto the grass if necessary!
Rather than TOGA and take a flaming engine into the air. As you don't know what is wrong with the engine or where the flames are coming out from.
I don't think that the AIB would be able to criticise no matter what you did...as long as you do something.