[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is the (8S)-epimer of cinchonan."}, {"from": "gpt", "value": "[C][=C][C@H1][C][N][C][C][C@H1][Ring1][=Branch1][C][C@H1][Ring1][=Branch1][C][C][=C][C][=N][C][=C][C][=C][C][=C][Ring1][#Branch2][Ring1][=Branch1]"}]