[{"from": "human", "value": "Describe this molecule. [C][C][#C][C][C][Branch1][C][C][C@@H1][Branch2][Ring2][Ring1][/C][=C][/C@H1][C@@H1][Branch2][Ring1][O][C][C@H1][C@@H1][Ring1][Branch1][C][=C][C][=C][C][=Branch1][#Branch1][=C][Ring1][=Branch1][O][Ring1][=Branch2][C][C][C][C][=Branch1][C][=O][O-1][O][O].[Na+1]"}, {"from": "gpt", "value": "The molecule is a synthetic analogue of prostacyclin, under clinical trials for the treatment of pulmonary hypertension. It is also being studied for use in avoiding reperfusion injury."}]