[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule appears as white to yellow paste or liquid with a weak ammonia odor. May float or sink in water. (USCG, 1999)"}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1].[NH4+1]"}]