[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid that is 3-phenylpropanoic acid substituted by an oxo group at position 2. It is an intermediate metabolite in the phenylalanine pathway. It has a role as a fundamental metabolite, a chromogenic compound and an EC 6.4.1.1 (pyruvate carboxylase) inhibitor. It is functionally related to a pyruvic acid. It is a conjugate acid of a keto-phenylpyruvate. It is a tautomer of an enol-phenylpyruvic acid."}]