[{"from": "human", "value": "Describe this molecule. [C][C][=C][Branch2][Ring2][=Branch2][C][=Branch1][C][=O][C][=C][Branch2][Ring1][=Branch2][C@][Branch2][Ring1][Ring1][C@@H1][C@@H1][Branch1][Ring2][N][Ring1][Ring1][C][N][Ring1][=Branch1][C][Ring1][=Branch2][=C][Ring1][=C][O-1][O][C][C][O][C][=Branch1][C][=O][N][O]"}, {"from": "gpt", "value": "The molecule is an organic anion obtained by removal of the acidic proton from position 8 of 7-demethylmitomycin A. It is a conjugate base of a 7-demethylmitomycin A. It is a conjugate acid of a 7-demethylmitomycin A(2-)."}]