[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@][C][C][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][C][C][C@@H1][C@@H1][Ring1][O][C][=Branch1][C][=O][C][C@][Branch1][#C][C@H1][Ring1][#Branch1][C][C][C@@H1][Ring1][Branch1][C][=Branch1][C][=O][C][=O][C]"}, {"from": "gpt", "value": "The molecule is a C21-steroid that is progesterone carrying two additional oxo substituents at positions 11 and 21 It is a 21-oxo steroid, an 11-oxo steroid, a 20-oxo steroid, a 3-oxo-Delta(4) steroid, a C21-steroid and a steroid aldehyde. It is functionally related to a progesterone. It derives from a hydride of a 5alpha-pregnane."}]