[{"from": "human", "value": "Could you provide a description of this molecule? [C][=Branch1][C][=N-1][=O]"}, {"from": "gpt", "value": "The molecule appears as a class of generally colorless liquids with slight odors. Toxic by inhalation. Irritate skin, eyes, and mucous membranes. Decompose to emit toxic nitric oxide and cyanide fumes when heated to high temperatures. May be combustible. Used to make other chemicals."}]