[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][Branch1][C][C][N][=C][Branch1][Ring2][N][C][#N][N][C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][/C][=Branch1][#Branch2][=C][\\C][C][C][C][=Branch1][C][=O][O][/C][=C][N][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule has been used in trials studying the treatment of Hypertension, Pulmonary."}]