Using CC(C)(C)OC(=O)N1CC(c2ccccc2)(c2ccccc2)OC[C@@H]1COCc1ccccc1 to produce CC(C)(C)OC(=O)N1CC(c2ccccc2)(c2ccccc2)OC[C@@H]1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.