[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][C][=Branch2][Ring2][Ring1][=C][Branch2][Ring1][=N][C][=C][Ring1][=Branch1][N][=N][C][=C][C][=Branch1][#Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O][C][N].[Na+1]"}, {"from": "gpt", "value": "The molecule is an organic sodium salt that is the monosodium salt of 5-[(4-amino-5-methoxy-2-methylphenyl)diazenyl]-2-methoxybenzene-1-sulfonic acid. Occasionally used for the selective staining of amyloid. It has a role as a histological dye and a fluorochrome. It contains a 5-[(4-amino-5-methoxy-2-methylphenyl)diazenyl]-2-methoxybenzene-1-sulfonate."}]