[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an acetate ester resulting from the formal condensation of the hydroxy group of 4-methylpent-3-en-1-ol with acetic acid. It is an acetate ester and an olefinic compound. It is functionally related to a 4-methylpent-3-en-1-ol."}, {"from": "gpt", "value": "[C][C][=Branch1][#Branch2][=C][C][C][O][C][=Branch1][C][=O][C][C]"}]