[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Penicillium expansum with data available."}, {"from": "gpt", "value": "[C][C@@H1][C][C@][Branch2][Ring1][=C][C][C@@][Branch1][Branch1][C][O][Ring1][Branch1][C@H1][C][C@@H1][Ring1][=Branch1][C][=Branch1][C][=C][C@@H1][Branch1][Ring2][C][Ring1][#Branch1][O][C][=Branch1][C][=O][C][O][C][Ring2][Ring1][Ring2][=O]"}]