[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=C][Branch2][Ring1][Ring2][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid monoanion. It is a conjugate base of a diphenic acid. It is a conjugate acid of a diphenate(2-)."}]