[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][C][C@@H1][Branch2][Ring1][=C][C][C@][Branch2][Ring1][#Branch1][C@H1][Ring1][=Branch1][C][C][=C][N][Branch1][=N][C][=C][C][=C][C][Ring1][O][=C][Ring1][=Branch2][Ring1][=Branch1][C][O][C][C][O][C][=Branch1][C][=O][C][=C][C][=Branch1][=Branch1][=C][N][=C][Ring1][=Branch1][Br]"}, {"from": "gpt", "value": "The molecule has been used as a cerebral vasodilator and in peripheral vascular disease. It has been suggested to ameliorate cognitive deficits in cerebrovascular disease."}]