[{"from": "human", "value": "What can you tell me about this molecule? [C][O][C][=C][Branch2][Ring2][P][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch2][Ring2][Ring2][=N][C][=Branch1][Ring2][=N][Ring1][#Branch1][N][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=Branch1][C][=O][C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][O][Ring1][#Branch2][N][O][C]"}, {"from": "gpt", "value": "The molecule is an alpha-1 antagonist used for the treatment of benign prostatic hypertrophy (BPH) symptoms and hypertension. Other members of this drug class include [Prazosin], [Terazosin], [Tamsulosin], and [Alfuzosin].  Because of its long-lasting effects, doxazosin can be administered once a day. It is marketed by Pfizer and was initially approved by the FDA in 1990."}]