[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][=C][C][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][N][C]"}, {"from": "gpt", "value": "The molecule appears as a clear liquid with a pungent odor. Water insoluble and less dense than water. Hence floats on water. (USCG, 1999)"}]