[{"from": "human", "value": "Generate a molecule based on this description. The molecule has been used as an antiemetic and antinauseant for cancer chemotherapy patients."}, {"from": "gpt", "value": "[C][N][C@@H1][C][C][C][C@H1][Ring1][=Branch1][C][C][Branch1][Ring2][C][Ring1][Branch2][N][C][=Branch1][C][=O][C][=N][N][Branch1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2][C]"}]