[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=Branch1][#Branch1][=C][\\C][=Branch1][C][=O][O][\\C][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O-1][\\O-1]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion comprising cis,cis-muconate substituted at C-2 by a hydroxy group. It is a conjugate base of a (2E,4Z)-2-hydroxymuconic acid."}]