[{"from": "human", "value": "Describe this molecule. [N][=Branch1][C][=O][OH0]"}, {"from": "gpt", "value": "The molecule appears as a reddish brown gas or yellowish-brown liquid when cooled or compressed. Shipped as a liquefied gas under own vapor pressure. Vapors are heavier than air. Toxic by inhalation (vapor) and skin absorption. Noncombustible, but accelerates the burning of combustible materials. Cylinders and ton containers may not be equipped with a safety relief device."}]