[{"from": "human", "value": "Provide a description of this molecule. [C][C@][C][C][C][C][Branch2][Ring2][Branch1][C@H1][Ring1][=Branch1][C][C][C@@][Branch2][Ring1][O][C@@H1][Ring1][#Branch2][C][C][C@@H1][C@@H1][Ring1][=Branch1][C][C][=Branch1][C][=O][C][=Branch1][Ring2][=C][Ring1][#Branch1][C][C][=Branch1][C][=O][O][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a natural product found in Petrosaspongia nigra with data available."}]