[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][#Branch2][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][Branch2][Ring1][N][C][=C][Branch1][#Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C][=C][Ring1][O][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][C][Ring2][Ring1][=Branch2][=O].[C][=C][C][=C][Branch1][#Branch2][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C][Ring1][O][C][=C][Branch1][#Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C][=C][Ring1][O][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is a commercially available mixture of 5-carboxyfluorescein and 6-carboxyfluorescein isomers. A fluorescent dye, it is commonly used as a tracer agent. It has a role as a tracer and a fluorescent dye. It contains a 5-carboxyfluorescein and a 6-carboxyfluorescein."}]