[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][C][=C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][=Branch2][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][=C][C@@][Ring1][=Branch1][Branch1][#Branch2][C][C][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][O][C][C]"}, {"from": "gpt", "value": "The molecule is a 3beta-hydroxy-Delta(5)-steroid that is pregnenolone with a double bond between positions 16 and 17. It is a 20-oxo steroid, an enone and a 3beta-hydroxy-Delta(5)-steroid. It is functionally related to a pregnenolone."}]