[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][Ring1][#Branch1][C][=C][C][=Branch2][Ring2][#Branch1][=C][Branch2][Ring2][C][C][=Branch2][Ring1][=N][=C][Ring1][=Branch1][O][C][=C][Branch2][Ring1][Ring1][C][=Branch1][#C][=C][Branch1][#Branch1][C][=C][Ring1][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][O][Br][Br][O][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a C-nitro compound which consists of a fluorescein skeleton substituted by bromo groups at positions 4 and 5 and nitro groups at positions 2 and 7. It is an organobromine compound, a C-nitro compound, an oxaspiro compound, a member of 2-benzofurans, a member of xanthenes and a lactone. It is functionally related to a fluorescein (lactone form). It is a conjugate acid of an eosin b(2-)."}]