[{"from": "human", "value": "What can you tell me about this molecule? [C][C@][C][C@@H1][Branch2][Ring1][=N][C@H1][C@H1][Branch1][#Branch2][C@@H1][Ring1][=Branch1][C][C][C@@H1][Ring1][=Branch2][O][C][C][C][=C][Ring1][O][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][C][C][C][S][=Branch1][C][=O][=Branch1][C][=O][C][C][C][C][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][Branch1][C][F][F]"}, {"from": "gpt", "value": "The molecule is a 17beta-hydroxy steroid that is 17beta-estradiol in the the hydrogen at the 11beta position has been replaced by a p-({5-[(4,4,5,5,5-pentafluoropentyl)sulfonyl]pentyl}oxy)phenyl group. RU 58668 is a pure anti-estrogen that downregulates estrogen receptor expression (IC50 = 0.04 nM). It has a role as an antineoplastic agent, an anti-estrogen and an estrogen receptor antagonist. It is a 17beta-hydroxy steroid, a 3-hydroxy steroid, a sulfone, an organofluorine compound and an aromatic ether."}]