[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=C][Branch1][#Branch1][C][=C][C@@H1][Ring1][=Branch1][O][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 3,4-dihydro-4-hydroxyphenylpyruvic acid having R-configuration. It is a conjugate acid of a (4R)-3,4-dihydro-4-hydroxyphenylpyruvate."}]