[{"from": "human", "value": "Generate a molecule based on the given description. The molecule appears as white liquid with a light unpleasant odor. May float or sink in water. (USCG, 1999)"}, {"from": "gpt", "value": "[C][C][Branch1][N][C][O][C][=Branch1][C][=O][C][=Branch1][C][=C][C][O]"}]