[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Camptotheca acuminata with data available."}, {"from": "gpt", "value": "[C][C][Branch2][Ring2][O][C@H1][Branch2][Ring1][P][C][Ring1][Ring1][C][=Branch1][C][=O][O][C@H1][Branch1][Ring1][C][#N][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Branch1][C][Br][Br][C]"}]