[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][O][C][=Branch1][C][=O][C][C]"}, {"from": "gpt", "value": "The molecule is a propanoate ester of butan-1-ol. It has a role as a plant metabolite, a human metabolite, an insect attractant and a flavouring agent. It is functionally related to a butan-1-ol."}]