[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=N][C][=C][Branch1][#Branch2][N][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][N]"}, {"from": "gpt", "value": "The molecule is a diaminopyridine that is 2,6-diaminopyridine substituted at position 3 by a phenylazo group. A local anesthetic that has topical analgesic effect on mucosa lining of the urinary tract. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity. It has a role as a local anaesthetic, a non-narcotic analgesic, a carcinogenic agent and an anticoronaviral agent. It is a diaminopyridine and an azo compound. It is a conjugate base of a phenazopyridine(1+)."}]