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