[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Eutypella with data available."}, {"from": "gpt", "value": "[C][C@H1][C][C][C@@H1][Branch2][Ring1][Branch2][C@H1][C@@][Ring1][=Branch1][Branch1][P][C][C][=Branch1][=Branch1][=C][Branch1][C][C][C][C][=Branch1][C][=O][C][Ring1][#Branch2][C][O]"}]