Using CC(C)(C)OC(=O)N[C@@H](COCc1ccccc1)COC(CI)(c1ccccc1)c1ccccc1 to produce CC(C)(C)OC(=O)N1CC(c2ccccc2)(c2ccccc2)OC[C@@H]1COCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.