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