[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a potent synthetic steroidal antiprogesterone which is used as a single dose in combination with misoprostol, a prostaglandin analogue, to induce medical abortion. Mifepristone with misoprostol have not been associated with serum enzyme elevations or with clinically apparent liver injury."}, {"from": "gpt", "value": "[C][C][#C][C@@][Branch2][Branch1][C][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring2][Branch2][C][C@@H1][Branch2][Ring1][Ring2][C][=C][C][C][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][C][C][C@@H1][Ring1][#C][Ring1][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][Branch1][C][C][C][C][O]"}]