[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule has various other potentially useful pharmacological effects. Its mechanism may involve block of calcium channels."}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][C][C][O][C][Branch1][=Branch2][C][C][C][C][C][C][Ring1][#Branch1][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]