[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][Branch2][=Branch1][Ring2][/C][=Branch2][Ring2][O][=C][/C][=C][Branch2][Ring1][=C][C][=Branch2][Ring1][=Branch2][=C][Branch1][Ring2][N][Ring1][Branch1][/C][=C][/C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][C][=O][N][\\-Ring1][=Branch1][C][C][=C][C][C][C][C][=Branch1][C][=O][O-1][/N][/C][\\-Ring2][Ring1][O][=C][\\C][=N][C][=Branch1][C][=O][C][=Branch1][Branch1][=C][Ring1][=Branch1][C][C][=C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is dicarboxylate anion of biliverdin; major species at pH 7.3. It has a role as a human metabolite. It is a linear tetrapyrrole anion and a dicarboxylic acid dianion. It is a conjugate base of a biliverdin."}]