[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a 2-oxo monocarboxylic acid. It is functionally related to a pyruvic acid."}, {"from": "gpt", "value": "[C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][/C][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O][\\O]"}]