[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch2][Branch1][#Branch2][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=N][C][=C][Branch2][Ring2][Ring1][C][=C][Branch2][Ring1][=N][C][=C][Branch1][P][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1][N][O][N][=N][C][=C][Branch2][Ring2][Ring1][C][=C][Branch2][Ring1][=N][C][=C][Branch1][P][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1][N][O].[Na+1].[Na+1].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is a Benzidine-based azo dye that is metabolized to free Benzidine in vivo. Direct blue 6 is primarily used for the dyeing of textiles, leather and paper. Benzidine and its metabolic derivatives have been detected in the urine of workers exposed to Benzidine-based dyes.  Exposure to this dye is strongly associated with the occurrence of bladder cancer. (NCI05)"}]