[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][O][N][=O]"}, {"from": "gpt", "value": "The molecule appears as a clear colorless to yellow liquid with a pleasant odor. Flammable over a wide range of vapor-air concentrations. Flash point -31 \u00b0F. Less dense than water and insoluble in water. Vapors are heavier than air and narcotic in high concentrations. Produces toxic oxides of nitrogen during combustion."}]