Using CC(C)(C)OC(=O)Cn1c(=O)[nH]c2ccccc21, Clc1cc(Cl)ncn1 to produce CC(C)(C)OC(=O)Cn1c(=O)n(-c2cc(Cl)ncn2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.