[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@][C][C][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][C][C][C@@H1][C@@H1][Ring1][O][C][C][C@][Branch1][=C][C@H1][Ring1][=Branch1][C][C][C@][Ring1][Branch1][Branch1][Ring1][C][#C][O][C]"}, {"from": "gpt", "value": "The molecule is a 17beta-hydroxy steroid that is testosterone in which the 17beta hydrogen is replaced by an ethynyl group. Ethisterone was the first orally active progestin and is a metabolite of danazol. It has a role as a progestin and a drug metabolite. It is a 17beta-hydroxy steroid, a 3-oxo-Delta(4) steroid, a terminal acetylenic compound and a tertiary alcohol. It is functionally related to a testosterone."}]