[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule appears as yellow crystals that melt at 59 \u00b0F to a yellow liquid. Often therefore encountered as a liquid. Flash point 223 \u00b0F. Boiling point 450 \u00b0F. Insoluble in water. Toxic by inhalation and ingestion."}]