[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=Branch1][C][=O][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring2][#Branch1][C@H1][Branch2][Ring1][=N][C][C@H1][C@H1][Ring1][=Branch1][C][C][C@H1][C@@][Ring1][=Branch1][Branch1][#C][C][C][C@H1][Branch1][Ring2][C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][C][O][C][=Branch1][C][=O][C][C]"}, {"from": "gpt", "value": "The molecule is a steroid ester that is 5beta-pregnane substituted by an oxo group at position 20 and acetoxy groups at positions 3 and 12. It is a steroid ester, an acetate ester and a 20-oxo steroid. It derives from a hydride of a 5beta-pregnane."}]