[{"from": "human", "value": "Provide a brief overview of this molecule. [C][O][C][=C][Branch2][Branch1][#C][C][=Branch2][Branch1][#Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][Branch2][Ring1][=Branch1][C][=C][C][=Branch1][#C][=C][Branch1][O][C][=Branch1][#Branch1][=C][Ring1][=Branch1][O][Ring1][O][Cl][O][O][C][C][=C][Branch1][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][Ring2][Ring1][Branch2][Cl][O]"}, {"from": "gpt", "value": "The molecule is a fluorescein compound having chloro substituents in the 4'- and 5'-positions, methoxy substituents in the 2'- and 7'-positions and a carboxy substituent at the 6-position. It has a role as a fluorochrome. It is functionally related to a fluorescein (lactone form)."}]