[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is used in the treatment of hypertension and hypertensive emergencies, pheochromocytoma, vasospasm of raynaud disease and frostbite, clonidine withdrawal syndrome, impotence, and peripheral vascular disease."}, {"from": "gpt", "value": "[C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][Branch1][=Branch2][C][C][=N][C][C][N][Ring1][Branch1][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][O]"}]