[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a diester resulting from the formal condensation of the carboxy group of 2-(butanoyloxy)propanoic acid with butan-1-ol. It has a role as a flavouring agent and a plant metabolite. It is a diester and a butyrate ester. It is functionally related to a 2-hydroxypropanoic acid and a butan-1-ol."}, {"from": "gpt", "value": "[C][C][C][C][O][C][=Branch1][C][=O][C][Branch1][C][C][O][C][=Branch1][C][=O][C][C][C]"}]