[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C@@H1][Branch1][#Branch2][C][=Branch1][C][=O][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid that is pyruvic acid in which two of the methyl hydrogens are substituted by phenyl and hydroxy groups (the S-enantiomer). It is a 2-oxo monocarboxylic acid, a 3-hydroxy monocarboxylic acid and a secondary alpha-hydroxy ketone. It is functionally related to a pyruvic acid. It is a conjugate acid of a (S)-3-hydroxy-2-oxo-3-phenylpropanoate."}]