[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a butyrate ester resulting from the formal condensation of the hydroxy group of ethanol with the carboxy group of butyric acid. It has a role as a plant metabolite. It is functionally related to an ethanol."}, {"from": "gpt", "value": "[C][C][C][C][=Branch1][C][=O][O][C][C]"}]