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No, IMO you have too much going on there as it is. The mollies get fairly large and have a big bioload relative to their size. The angels should get even larger. I can't comment on the gouramis without knowing what species you have.
Personally, I can't tell from the picture. Any chance of getting a closer one? Or at least with a bit more of his body? I know taking pictures of fish can be pretty tough though.