[{"from": "human", "value": "Please give me some details about this molecule. [C][C@][C][C][C@@H1][Branch2][Ring1][P][C][C][Ring1][=Branch1][=C][C][C@@H1][C@@H1][Ring1][#Branch2][C][C][C@][Branch1][P][C@H1][Ring1][=Branch1][C][C][=C][Ring1][Branch1][C][=C][N][=C][C][=C][Ring1][=Branch1][C][O]"}, {"from": "gpt", "value": "The molecule is a 3beta-sterol that is androsta-5,16-dien-3beta-ol substituted at position 17 by a 3-pyridyl group. Administered as the O-acetate, it is used for treatment of metastatic castrate-resistant prostate cancer. It has a role as an antineoplastic agent and an EC 1.14.99.9 (steroid 17alpha-monooxygenase) inhibitor. It is a 3beta-sterol, a member of pyridines and a 3beta-hydroxy-Delta(5)-steroid. It derives from a hydride of an androstane."}]