[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][Branch2][/C][=C][\\C][=Branch1][C][=O][O][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an oxo dicarboxylic acid that is (Z)-2-hexenedioic acid in which the hydrogens at position 5 are substituted by an oxo group. It is functionally related to a 2-hexenedioic acid. It is a conjugate acid of a (Z)-5-oxohex-2-enedioate."}]