Removing fish from a community aquarium can be a major task, and one that some people can only make with the use of chemicals or by removing everything from the tank and starting over.
If you choose to use chemicals then you should be aware that the impact on your filter can be deadly, the number of snail "corpses" (or do I mean escargots?) will be large and the consequence of them breaking down would result in quite a lot of ammonia for a small bioload filter to take on.
As for loaches, apparently from what I have read the use of clown loaches as effective snail removers is debatable, some people swear by them, some don't notice a difference. In a 96 litre tank, you want to aim for a small botia loach, (that is a loach with a flat underside, not something eel like, like a kuhli) with a proven history. I can't think of any off the top of my head, but clown loaches are certainly unsuitable in a 96 litre tank.
HTH