Using CCOC(=O)c1csc(Nc2ccc(Cl)cc2)n1, O=C(Cl)c1ccccc1Cl to produce CCOC(=O)c1csc(N(C(=O)c2ccccc2Cl)c2ccc(Cl)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.