[{"from": "human", "value": "Generate a molecule based on this description. The molecule appears as white solid or liquid. Has no odor. Sinks and mixes with water. (USCG, 1999)"}, {"from": "gpt", "value": "[C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O].[NH4+1]"}]