[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][C][=Branch1][C][=O][/C][=C][\\C][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O][\\O-1]"}, {"from": "gpt", "value": "The molecule is a hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy group of (2E,4Z)-2-hydroxy-7-methyl-6-oxo-2,4-octadienoic acid; major species at pH 7.3. It is a hydroxy monocarboxylic acid anion and a 6-oxo monocarboxylic acid anion. It is a conjugate base of a (2E,4Z)-2-hydroxy-7-methyl-6-oxo-2,4-octadienoic acid."}]