[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][C][O][N][=O]"}, {"from": "gpt", "value": "The molecule appears as a yellow oily liquid with a pleasant odor. A mixture of isomers (n-butyl, sec-butyl and tert-butyl). Slightly soluble in water. Slightly less dense than water. Vapors are much heavier than air. Toxic by ingestion, mildly toxic by inhalation. Used to make fuel for jet airplanes."}]