[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][N][=C][=O]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid with a pungent odor. Insoluble in water. Very toxic by ingestion and inhalation. Vapors are heavier than air. Used to make other chemicals."}]