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