Using COCN(c1cc(Cl)cnc1C(=O)c1c(C)cccc1OC)S(=O)(=O)c1ccc(Cl)c(C)c1 to produce COc1cccc(C)c1C(=O)c1ncc(Cl)cc1NS(=O)(=O)c1ccc(Cl)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.