Using CS(=O)(=O)c1nccc(Cl)n1, CC(C)C(=O)c1cn(C)c2ccc(NC=O)cc12 to produce CC(C)C(=O)c1cn(C)c2ccc(Nc3nccc(Cl)n3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.