[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid anion that is the conjugate base of (3S)-3-methyl-2-oxo-3-phenylpropanoic acid, obtained by deprotonation of the carboxy group. It is a conjugate base of a (3S)-3-methyl-2-oxo-3-phenylpropanoic acid."}]