[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Vinca difformis, Vinca major, and other organisms with data available."}, {"from": "gpt", "value": "[C][C][C@@][C][C][C][N][C@@H1][Ring1][=Branch1][C][=C][Branch1][Branch1][C][C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Ring1][O][C@][Branch1][Branch1][C][Ring2][Ring1][Ring1][Branch1][#Branch1][C][=Branch1][C][=O][O][C][O]"}]