[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a steroid. It derives from a hydride of an estrane."}, {"from": "gpt", "value": "[C][C][C@][C][C][=Branch1][C][=C][C][C@H1][Branch1][=C][C][Ring1][#Branch1][C][C][C][Ring1][#Branch2][Branch1][Ring1][C][#C][O][C][C][C][=C][C][C][Branch1][#Branch1][C][C@H1][Ring1][P][Ring1][=Branch1][O]"}]