[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][N][=C][=O]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid. Less dense than water and insoluble in water. May irritate skin, eyes, and mucous membranes. May be lethal by Inhalation. Used to make pharmaceuticals and pesticides."}]