[{"from": "human", "value": "Describe this molecule. [C][C][=C][Branch2][Branch1][P][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][C][=Branch2][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=N][C][=C][Branch2][Ring2][Ring1][C][=C][Branch2][Ring1][=N][C][=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][O][C][N][=N][C][=C][Branch2][Ring2][Ring1][C][=C][Branch2][Ring1][=N][C][=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][O].[Na+1].[Na+1].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is an organosulfonate salt that is the tetrasodium salt of 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonic acid). It has a role as a histological dye, a fluorochrome and a carcinogenic agent. It is an organosulfonate salt and an organic sodium salt. It contains a trypan blue(4-)."}]