[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C@][C][C][C@H1][C@H1][Branch2][Ring1][Ring1][C@@H1][Ring1][=Branch1][C][C][C@][Ring1][=Branch2][Branch1][Ring1][C][#C][O][C][=Branch1][C][=O][C][C][C][C][=C][/C][=Branch1][Ring1][=N][/O][/C][C][C@H1][Ring2][Ring1][=Branch1][Ring1][Branch2]"}, {"from": "gpt", "value": "The molecule is a steroid ester, a ketoxime and a terminal acetylenic compound. It has a role as a contraceptive drug, a progestin and a synthetic oral contraceptive."}]