[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Heterobasidion occidentale with data available."}, {"from": "gpt", "value": "[C][C@][C@@H1][Branch2][Ring1][=C][C][C][Ring1][Ring2][=C][Branch2][Ring1][Ring2][C][=Branch1][C][=O][C@H1][C@@H1][Ring1][=Branch2][C][C][Branch1][Ring2][C][Ring1][Branch1][Branch1][C][C][C][C][O][O]"}]