[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch1][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is an acyclic carboxylic anhydride of isobutyric acid. Metabolite observed in cancer metabolism. It has a role as a human metabolite. It is functionally related to an isobutyric acid."}]