[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][Branch1][C][C][N][=C][=O]"}, {"from": "gpt", "value": "The molecule appears as a clear colorless liquid with a pungent odor. Very toxic by ingestion, may also be toxic by skin absorption and inhalation. Vapors heavier than air. Less dense than water and insoluble in water. Vapors heavier than air. Produces toxic oxides of nitrogen during combustion."}]