[{"from": "human", "value": "Could you give me a brief overview of 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][I][O-1][I][I][I][C][=Branch1][C][=O][O-1].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is an organic sodium salt that is the disodium salt of 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-8a,10a-dihydroxanthen-9-yl)benzoic acid. It has a role as a fluorescent dye. It contains an erythrosin(2-)."}]