[{"from": "human", "value": "Describe this molecule. [C][C][/C][=C][\\C][C@@H1][C@@H1][Branch1][#Branch1][C][C][C][Ring1][Branch1][=O][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an oxo monocarboxylic acid anion that is the conjugate base of 8-[(1R,2R)-3-oxo-2-{(Z)-pent-2-en-1-yl}cyclopentyl]octanoic acid resulting from the deprotonation of the carboxy group; major species at pH 7.3. It is functionally related to an octanoate. It is a conjugate base of an 8-[(1R,2R)-3-oxo-2-{(Z)-pent-2-en-1-yl}cyclopentyl]octanoic acid."}]