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