It doesn't matter how many Fronts you have, the problem is putting an Oscar with 1 or 100 Fronts.
American and African Cichlids not only come from different continents, but they also come from water made up in a completely different way.
You wouldnt see a Polar Bear in the Amazon, or a Lion in the Artic Circle.
Sure, they may survive for a period of time, but it would be a relatively short period of time, and it would be incredibly painful at the same time.
You need to remember, its your choice to buy a live creature, so you have the responsibility to house it as comfortably as possible.