[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@][C][C][C@H1][C@H1][Branch1][#Branch2][C@@H1][Ring1][=Branch1][C][C][C@@H1][Ring1][=Branch2][O][C][C][C@][C@@][Ring1][O][Branch1][P][C][C][=Branch1][O][=C][Branch1][#Branch1][C@H1][Ring1][=Branch1][O][Ring1][#Branch1][O][C][#N][C]"}, {"from": "gpt", "value": "The molecule is an epoxy steroid that is 3,17beta-dihydroxy-5alpha-androst-2-ene-2-carbonitrile in which the oxygen of the epoxy group is joined to the 4alpha and 5 alpha positions. It has a role as an antineoplastic agent, an abortifacient and an EC 1.1.1.210 [3beta(or 20alpha)-hydroxysteroid dehydrogenase] inhibitor. It is a 3-hydroxy steroid, a 17beta-hydroxy steroid, an androstanoid, an epoxy steroid and a nitrile."}]