[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a 21-hydroxy steroid and a C21-steroid. It derives from a hydride of a pregnane."}, {"from": "gpt", "value": "[C][C@][C][C][C@H1][C@H1][Branch1][N][C@@H1][Ring1][=Branch1][C][C][C@@H1][Ring1][=Branch2][C][C][O][C][C][C][C@@][Ring1][=N][Branch1][#Branch1][C][C][C][C][Ring1][=Branch1][C]"}]