[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][Branch2][Ring1][Ring2][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][/C][=C][/C][=Branch1][C][=O][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is an 2-oxo monocarboxylic acid consisting of pyruvic acid having a 2-hydroxy-3-methylbenzylidene group at the 3-position. It is functionally related to a pyruvic acid."}]