[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@H1][C][C@H1][C@@H1][C][C][C][=C][C][=Branch1][C][=O][C][C][C@@][Ring1][#Branch1][Branch2][Ring1][Branch1][C@H1][Ring1][O][C][C][C@@][Ring1][#C][Branch1][#Branch2][C@H1][Ring2][Ring1][C][C][=Branch1][C][=O][C][C][C]"}, {"from": "gpt", "value": "The molecule is a 3-oxo Delta(4)-steroid that is progesterone substituted by a beta-methyl group at position 16. It is a 20-oxo steroid and a 3-oxo-Delta(4) steroid. It is functionally related to a progesterone. It derives from a hydride of a pregnane."}]