[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=Branch1][#Branch1][=C][C][=C][Ring1][=Branch1][N][F]"}, {"from": "gpt", "value": "The molecule is a light-colored oily liquid. Mixture of three isomers. Insoluble in water and denser than water. Contact may cause irritation to skin, eyes, and mucous membranes. May be toxic by ingestion. Used to make other chemicals."}]