[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@][C][C][C@H1][C@H1][Branch1][#Branch2][C@@H1][Ring1][=Branch1][C][C][C][Ring1][=Branch2][=O][C][C][C][=C][C][=Branch1][C][=O][C][=C][C@][Ring1][S][Ring1][#Branch1][C]"}, {"from": "gpt", "value": "The molecule is a steroid that consists of androstane having double bonds at positions 1 and 4 and two keto groups at positions 3 and 17. It is a 17-oxo steroid, a 3-oxo-Delta(4) steroid and a 3-oxo-Delta(1) steroid. It derives from a hydride of an androstane."}]