[{"from": "human", "value": "Describe this molecule. [C][O][C][=C][Branch2][Ring2][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch2][Ring1][=N][=N][C][=Branch1][Ring2][=N][Ring1][#Branch1][N][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=Branch1][C][=O][C][C][C][C][O][Ring1][Branch1][N][O][C]"}, {"from": "gpt", "value": "The molecule is a selective alpha 1 antagonist used for treatment of symptoms of prostate enlargement (BPH). It also acts to lower blood pressure, so it is a drug of choice for men with hypertension and prostate enlargement. It works by blocking the action of adrenaline on smooth muscle of the bladder and the blood vessel walls."}]