[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a decanoate ester obtained by the formal condensation of the carboxy group of decanoc acid (capric acid) with the alcoholic hydroxy group of isobutanol. It has a role as a metabolite. It is functionally related to an isobutanol."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C][Branch1][C][C][C]"}]