[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule appears as a pale yellow to dark brown liquid. Flash point 190 \u00b0F. Very slightly soluble in water. Toxic by inhalation and by skin absorption. Combustion give toxic oxides of nitrogen. Density 10.0 lb /gal."}]