[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=Branch1][C][=O][O][C@][Branch2][Ring1][S][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][=Branch1][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C][=C][C][=Branch1][C][=O][C][C][C@H1][Ring1][O][Ring1][#Branch1][C][C][#C]"}, {"from": "gpt", "value": "The molecule is a 3-oxo Delta(4)-steroid that is norethisterone in which the hydroxy group has been converted to its acetate ester. It has a role as a synthetic oral contraceptive and a progestin. It is a 3-oxo-Delta(4) steroid, a terminal acetylenic compound and an acetate ester. It is functionally related to a norethisterone."}]