[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a steroid. It derives from a hydride of a stigmastane."}, {"from": "gpt", "value": "[C][C][C][Branch2][Ring2][N][C][C][C][Branch1][C][C][C@H1][C][C][C][=C][C][C][C][C@@H1][Branch2][Ring1][=Branch2][C@H1][Branch2][Ring1][Ring2][C][C][C@@][Ring1][=Branch1][Branch1][N][C][Ring1][#Branch2][C][C][C@][Ring1][P][Ring1][=C][C][C][O][C][C][Branch1][C][C][C]"}]