[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Nigrospora sphaerica and Nigrospora oryzae with data available."}, {"from": "gpt", "value": "[C][C@@][C][O][C@@H1][Branch1][=C][C@@H1][Ring1][Branch1][C][=Branch1][=Branch1][=C][C][Ring1][Branch2][=O][O][C][O]"}]