[{"from": "human", "value": "Provide a description of this molecule. [C][C@][C][C][C@H1][C@H1][Branch1][=C][C@@H1][Ring1][=Branch1][C][C][C@][Ring1][=Branch2][Branch1][Ring1][C][#C][O][C][C][C][=C][C][=C][Branch1][Branch2][C][C@][Ring1][P][Ring1][=Branch1][C][C][=N][O][Ring1][Branch2]"}, {"from": "gpt", "value": "The molecule is a synthetic androgen derived from ethinyl testosterone.  Danazol indirectly reduces estrogen production by decreasing pituitary secretion of follicle-stimulating hormone and luteinizing hormone, and binds to sex hormone receptors in target tissues, thereby exhibiting antiestrogenic, anabolic and weakly androgenic effects. (NCI04)"}]