[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an oily liquid with a mild ammonia odor. Denser than water. Freezing point is 71 \u00b0F. (USCG, 1999)"}, {"from": "gpt", "value": "[C][Branch1][Ring1][C][O][N][Branch1][Ring2][C][C][O][C][C][O]"}]