[{"from": "human", "value": "Provide a description of this molecule. [NH0][=O]"}, {"from": "gpt", "value": "The molecule appears as a colorless gas. Noncombustible but accelerates the burning of combustible material. Vapors heavier than air. Very toxic by inhalation and skin absorption. Heating the containers may cause them to rupture violently and rocket."}]