[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule appears as a colorless oily liquid with a strong odor similar to apples. Less dense than water. Vapors heavier than air. May mildly irritate skin and eyes."}, {"from": "gpt", "value": "[C][C][O][C][=Branch1][C][=O][C][C][Branch1][C][C][C]"}]