[{"from": "human", "value": "What can you tell me about 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@H1][C@@H1][Ring1][O][C][C][C][=Branch1][C][=O][C][Ring1][#Branch1]"}, {"from": "gpt", "value": "The molecule is a C18 steroid with 5beta-configuration formed from nandrolone by reduction across the C4-C5 double bond. It has a role as a human metabolite. It is a 17beta-hydroxy steroid and a 3-oxo-5beta-steroid. It derives from a hydride of a 5beta-estrane."}]