[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a cholestanoid that is cholest-4-ene substituted by an oxo group at position 3. It has a role as a human metabolite and a plant metabolite. It is a cholestanoid and a 3-oxo-Delta(4) steroid."}, {"from": "gpt", "value": "[C][C@H1][Branch1][=Branch2][C][C][C][C][Branch1][C][C][C][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][#Branch1][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C][=C][C][=Branch1][C][=O][C][C][C@][Ring1][O][Ring1][#Branch1][C][C]"}]