[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N]"}, {"from": "gpt", "value": "The molecule is an amine derivative of biphenyl. It is used to manufacture azo dyes. It is a known human carcinogen and so it has been largely replaced by less toxic compounds. It is similar to benzidine."}]