[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a 20-oxo steroid."}, {"from": "gpt", "value": "[C][C@H1][C][=C][C@@H1][Branch1][P][C][C][C][=C][C][=Branch1][C][=O][C][C][C@@][Ring1][#Branch1][Ring1][O][C][C@H1][C@][Ring1][S][Branch1][=N][C@H1][Branch1][Branch1][C][C][Ring1][Branch1][C][=Branch1][C][=O][C][C]"}]