[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Tricholoma ustale with data available."}, {"from": "gpt", "value": "[C][O][C][=Branch2][Ring1][Ring2][=C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C][C][O][C][=Branch1][P][=C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][O][Ring2][Ring1][N]"}]