[{"from": "human", "value": "Provide a description of this molecule. [C][C@][C][C][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][C@@H1][C][C@@H1][Ring1][Ring1][C@@H1][C@@H1][Ring1][N][C][C][C@][Branch2][Ring1][Branch1][C@H1][Ring1][=Branch1][C@@H1][C][C@@H1][Ring1][Ring1][C@@][Ring1][=Branch1][C][C][C][=Branch1][C][=O][O][Ring1][=Branch1][C]"}, {"from": "gpt", "value": "The molecule is a steroid lactone and a 3-oxo-Delta(4) steroid. It has a role as a contraceptive drug, an aldosterone antagonist and a progestin."}]