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