[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch2][Ring1][C][=C][Branch1][#Branch2][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C][=C][C][=C][Branch2][Ring1][#Branch2][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][O][C][=C][C][=Branch1][O][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][Ring1][#C][F][O][F]"}, {"from": "gpt", "value": "The molecule is a xanthene dye having two fluoro substituents at the 2- and 7-positions and a 2,4-dicarboxyphenyl group at the 9-position. It has a role as a fluorochrome and an epitope. It is functionally related to a fluorescein (acid form)."}]