[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][=Branch2][/C][=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 (4Z)-hept-4-enedioic acid substituted at position 2 by an oxo group. It is an oxo dicarboxylic acid, an olefinic compound and a dicarboxylic fatty acid. It is a conjugate acid of a (4Z)-2-oxohept-4-enedioate. It is a tautomer of a (2Z,4Z)-2-hydroxyhepta-2,4-dienedioic acid."}]