[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a 20-oxo steroid."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][C][=C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][#C][C][C@@H1][Branch2][Ring1][=Branch2][C@][Branch2][Ring1][Ring2][C@H1][Ring1][=Branch1][C][C][C][=C][C][=Branch1][C][=O][C][C][C@@][Ring1][#Branch1][Ring1][O][C][F][O][C]"}]