[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=C][Branch1][=N][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=Branch2][Ring1][C][=C][Branch1][#Branch2][C][=C][Ring1][N][N+1][=Branch1][C][=O][O-1][N+1][=Branch1][C][=O][O-1][O-1].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is an organic sodium salt that is the disodium salt of 5,7-dinitro-8-hydroxynaphthalene-2-sulfonic acid. It has a role as a histological dye. It contains a flavianate."}]