Using CC1(COc2ccccc2Cl)CCN(Cc2nccnc2OC(C)(C)C)CC1 to produce CC1(COc2ccccc2Cl)CCN(Cc2ncc[nH]c2=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.