[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule appears as colorless liquid with a mild fruity odor. May float on or sink in water. (USCG, 1999)"}, {"from": "gpt", "value": "[C][C][Branch1][C][C][N+1][=Branch1][C][=O][O-1]"}]