[{"from": "human", "value": "Provide a description of this molecule. [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]"}, {"from": "gpt", "value": "The molecule is a natural product found in Penicillium expansum with data available."}]