[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an orally active, long-acting vasodilator, which belongs to the class of medications known as syndnones. Interestingly, it is being studied as being a preventive measure in cerebral infarction."}, {"from": "gpt", "value": "[C][C][O][/C][=Branch2][Ring1][Ring1][=N][/C][=C][N+1][=Branch1][Branch1][=N][O][Ring1][Branch1][N][C][C][O][C][C][Ring1][=Branch1][/O-1]"}]