[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule appears as a colorless liquid with a pleasant fruity odor. Less dense than water. Vapors heavier than air. Used as a solvent and for making other chemicals."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C][C][=Branch1][C][=O][C]"}]