[{"from": "human", "value": "Describe this molecule. [C][C][C@@][C][C][C@@H1][C@@H1][Branch1][=C][C@H1][Ring1][=Branch1][C][C][C@@][Ring1][=Branch2][Branch1][Ring1][C][#C][O][C][C][C][=C][C][=Branch1][C][=O][C][C][C@@H1][Ring2][Ring1][C][Ring1][#Branch1]"}, {"from": "gpt", "value": "The molecule is a 17alpha-hydroxy steroid and a terminal acetylenic compound. It is functionally related to a norgestrel. It is an enantiomer of a levonorgestrel."}]