[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][C][C@H1][C@@H1][C][C][C@@][Branch2][Ring1][P][C@][Ring1][Branch1][Branch2][Ring1][#Branch2][C][C@@H1][Branch2][Ring1][Ring2][C@@H1][Ring1][=Branch2][C@@][Branch1][=N][C][Ring1][=N][=C][C][=Branch1][C][=O][C][C][Ring1][#Branch1][C][O][C][Branch1][N][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][C][O]"}, {"from": "gpt", "value": "The molecule is a steroid ester that is pregn-4-en-21-yl acetate substituted by oxo group at positions 3 and 20, a methyl group at position 6 and hydroxy groups at positions 11 and 17 respectively. It is a 3-oxo-Delta(4) steroid, a steroid ester, an 11beta-hydroxy steroid, a 17alpha-hydroxy steroid, a 20-oxo steroid and a tertiary alpha-hydroxy ketone. It derives from a hydride of a pregnane."}]