[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch2][Ring1][Ring2][/C][=Branch1][N][=C][/C][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O][\\O][/C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid. It is a conjugate acid of a 5-hydroxypenta-2,4-diene-1,2,5-tricarboxylate(3-)."}]