[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][C][C][C][C][=Branch1][C][=O][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 3-oxo monocarboxylic acid. It is functionally related to a 7-methyloctanoic acid."}]