[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a Prostacycline Vasodilator. The physiologic effect of epoprostenol is by means of Vasodilation."}, {"from": "gpt", "value": "[C][C][C][C][C][C@@H1][Branch2][Ring1][=C][/C][=C][/C@H1][C@@H1][Branch2][Ring1][=Branch1][C][C@H1][C@@H1][Ring1][Branch1][C][/C][=Branch1][#Branch2][=C][/C][C][C][C][=Branch1][C][=O][O][/O][Ring1][N][O][O]"}]