[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=C][C][=C][Branch2][Ring1][Ring2][C][=C][C][Ring1][=Branch1][=N][C][=C][Ring1][#Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][N]"}, {"from": "gpt", "value": "The molecule is an organic cation that is 5-phenylphenothiazin-5-ium substituted by amino groups at positions 3 and 7 as well as a nitro group at position 4. The chloride salt is the histological dye 'safranin O'. It has a role as a histological dye and a fluorochrome. It is an organic cation and a member of phenazines."}]