[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][Ring1][#Branch1][C][=C][C][=Branch2][Ring2][#Branch1][=C][Branch2][Ring2][C][C][=Branch2][Ring1][=N][=C][Ring1][=Branch1][O][C][=C][Branch2][Ring1][Ring1][C][=Branch1][#C][=C][Branch1][#Branch1][C][=C][Ring1][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][O-1][Br][Br][O-1][N+1][=Branch1][C][=O][O-1].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is an organic sodium salt which is the disodium salt of eosin b diphenol. It has a role as a fluorescent dye and a histological dye. It contains an eosin b(2-)."}]