[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][N][=C][=O]"}, {"from": "gpt", "value": "The molecule appears as a clear, colorless liquid with a pungent odor. Very toxic by ingestion, and may also be toxic by skin absorption and inhalation. Vapors heavier than air. Less dense than water and insoluble in water. Produces toxic oxides of nitrogen during combustion."}]