[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][Ring2][C][C][=O][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a hydroxy monocarboxylic acid anion corresponding to the conjugate base of mevaldic acid; major species at pH 7.3. It is a 5-oxo monocarboxylic acid anion and a hydroxy monocarboxylic acid anion. It is a conjugate base of a mevaldic acid."}]