[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][C@@H1][C@H1][Branch2][Ring1][#Branch1][C][C][C@][Branch1][P][C@H1][Ring1][=Branch1][C][C][C@][Ring1][Branch1][Branch1][C][C][C][=Branch1][C][=O][C][C][C@@][Branch1][=C][C][Ring2][Ring1][C][=C][C][=Branch1][C][=O][C][C][Ring1][#Branch1][C]"}, {"from": "gpt", "value": "The molecule is a progestational agent derived from 17-methylprogesterone. It was conceived as an alternative for an orally effective contraceptive option. It was developed by Ayerst, approved in Canada in 1969 and its current status is cancelled post-marketing. It was never approved by the FDA."}]