[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=C][Branch2][Ring2][#C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][C][=C][Branch2][Ring1][P][C][=Branch1][C][=O][C][=Branch2][Ring1][Branch2][=C][Ring1][#Branch1][O][C][=C][Branch1][#C][C][=Branch1][O][=C][Branch1][#Branch1][C][=C][Ring1][#C][Ring1][=Branch1][Br][O-1][Br][Br][Br][C][=Branch1][C][=O][O-1].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is an organic sodium salt that is 2',4',5',7'-tetrabromofluorescein in which the carboxy group and the phenolic hydroxy group have been deprotonated and the resulting charge is neutralised by two sodium ions. It has a role as a fluorochrome and a histological dye. It is an organobromine compound and an organic sodium salt. It contains a 2',4',5',7'-tetrabromofluorescein(2-)."}]