Using O=S(=O)(Cl)c1cccnc1, CNc1cc(C(=O)OC)cc(Cl)n1 to produce COC(=O)c1cc(Cl)nc(N(C)S(=O)(=O)c2cccnc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.