[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=N][C][=C][Branch2][Branch1][#Branch1][C][=C][Branch2][Ring2][P][C][=Branch2][Ring1][N][=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][=N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][N][O].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is an organic sodium salt resulting from the formal condensation of Amido Black 10B (acid form) with two equivalents of sodium hydroxide. It has a role as a histological dye. It contains a 4-amino-5-hydroxy-3-[(p-nitrophenyl)azo]-6-(phenylazo)-naphthalene-2,7-disulfonate."}]