[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a formate ester resulting from the formal condensation of formic acid with ethanol. It has a role as a fumigant and a plant metabolite. It is a formate ester and an ethyl ester."}, {"from": "gpt", "value": "[C][C][O][C][=O]"}]