[{"from": "human", "value": "What can you tell me about 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 drug used to treat hypertension.  Prazosin is marketed by Pfizer and was initially approved by the FDA in 1988.  It belongs to the class of drugs known as alpha-1 antagonists,.    Recently, many studies have evaluated the benefits of this drug in controlling the symptoms of post-traumatic stress disorder (PTSD) and associated nightmares."}]