[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][N+1][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][Branch1][Ring2][N][Ring1][#Branch1][C][=C][C][=Branch1][Ring2][=C][Ring1][#Branch1][Cl]"}, {"from": "gpt", "value": "The molecule is a member of the class of beta-carbolines that is 9H-beta-carbolin-2-ium substituted by a chloro group at position 6 and a methyl group at position 2. It is isolated from a fresh water cyanobacterium Nostoc 78-12A and acts as an inhibitor of butyrylcholinesterase. It has a role as a metabolite, an EC 3.1.1.8 (cholinesterase) inhibitor and an antimalarial. It is a member of beta-carbolines, an organochlorine compound, an organic cation and an alkaloid."}]