[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a calcium channel blocker (CCB) for the treatment of hypertension."}, {"from": "gpt", "value": "[C][C][=C][Branch2][Ring2][Branch1][C][Branch2][Ring1][C][C][=Branch1][=Branch2][=C][Branch1][Ring2][N][Ring1][=Branch1][C][#N][C][=Branch1][C][=O][O][C][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O][C][Branch1][C][C][C]"}]