[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][Branch2][Ring2][=Branch2][C][=Branch1][C][=O][C][=C][Branch2][Ring1][=Branch2][C@][Branch2][Ring1][Ring2][C@@H1][C@@H1][Branch1][Branch1][N][Ring1][Ring1][C][C][N][Ring1][#Branch1][C][Ring1][#Branch2][=C][Ring1][#C][O-1][O][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 B. It is a conjugate base of a 7-demethylmitomycin B. It is a conjugate acid of a 7-demethylmitomycin B(2-)."}]