Enzyme remover again!

Alright...oh London, you adorable but somewhat dim kitten....

London is having trouble adjusting to using the toilet and has reverted to pooping on the carpet- always the same area. He urinates reliably in the toilet. So...I took a step backwards, made the roasting pan in the toilet larger and put more litter in, and coated the area he poops in with vinegar/water spray. And about an hour later, he pooped there again. Is there another enzyme remover other than Nature's Miracle I can buy thats good?

Anyone? Anything? It just frustrates me since Alcott is SO far along...

I personally think that Anti-Icky-Poo works better at removing both the smell and the stain than the Nature's Miracle, but it can be harder to find.

Good Luck!