The glofish would probably be too active if they are danio, and the tetra glofish can get fin nippy. Molly, I believe get fairly big and might actually bully the betta. Although a betta community can work (I have done several), most betta are not suited to it.
I agree with @seangee. Keeping a Betta with other fish seems a bit of a challenge. There's the possibility of the Betta getting outcompeted for food or the tankmates nipping its fins. Not to mention the aggression level of the Betta.
It's really not a good idea to keep a betta in a community tank. He will be out-competed for food, his fins might be nipped, and he will be under constant stress because other fish will be in his "territory".