[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is prostacyclin receptor agonist that causes vasodilation in pulmonary vasculature and is used in the therapy of pulmonary arterial hypertension (PAH). Selexipag has been associated with a low rate of serum enzyme elevations during therapy, but has yet to be implicated in cases of clinically apparent acute liver injury."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][N][Branch2][Ring1][Ring2][C][C][C][C][O][C][C][=Branch1][C][=O][N][S][=Branch1][C][=O][=Branch1][C][=O][C][C][=C][N][=C][Branch1][#C][C][=Branch1][Ring2][=N][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]