Using Cc1cc(CC(=O)Cl)n(C)c1C(=O)c1ccc(Cl)cc1, COC(=O)CN to produce COC(=O)CNC(=O)Cc1cc(C)c(C(=O)c2ccc(Cl)cc2)n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.