[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=C][Branch2][Ring2][O][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][C][=C][Branch2][Ring1][=N][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][O][C][=C][Branch1][#C][C][=Branch1][O][=C][Branch1][#Branch1][C][=C][Ring1][#C][Ring1][=Branch1][Br][O][Hg][Br][C][=Branch1][C][=O][O].[O]"}, {"from": "gpt", "value": "The molecule is a xanthene dye that is fluorescein bearing bromine substituents at positions 2 and 7 as well as a hydroxymercurio substituent at position 4. It has a role as an antiseptic drug, a fluorochrome and a histological dye. It is an organobromine compound, a xanthene dye, a member of benzoic acids and an arylmercury compound. It is functionally related to a fluorescein (lactone form). It is a conjugate acid of a 2,7-dibromo-4-hydroxymercurifluorescein(2-)."}]