[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][=Branch1][C][=O][O][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][N][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][=N][C][C@H1][Branch1][Branch2][C][=Branch1][C][=O][C][Ring1][#Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is the propionate salt form of dromostanolone, a synthetic anabolic steroid related to dihydrotestosterone that has antiestrogenic effects.  Dromostanolone inhibits the growth of estrogen receptor-presenting breast cancers; its virilizing effects limit its clinical usefulness. (NCI)"}]