[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a fatty acid ester obtained by the formal condensation of isoamylol with isobutyric acid. It has a role as a metabolite. It is functionally related to an isoamylol and an isobutyric acid."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C][O][C][=Branch1][C][=O][C][Branch1][C][C][C]"}]