[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][C][=Branch1][C][=O][/C][=C][\\C][=Branch1][#Branch2][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O][\\O][\\C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an oxo dicarboxylic acid that is 3-carboxy-6-oxoocta-2,4-dienoic acid carrying additional hydroxy and methyl substituents at positions 2 and 7 respectively. It is an oxo dicarboxylic acid, a 2-hydroxy carboxylic acid and an olefinic compound. It is a conjugate acid of a 2-hydroxy-3-carboxylato-6-oxo-7-methylocta-2,4-dienoate."}]