Using NCc1ccc(Cl)cc1, CCOC(=O)CNc1nc(Cl)cc(Cl)n1 to produce CCOC(=O)CNc1nc(Cl)cc(NCc2ccc(Cl)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.