Using CC(C)(C)OC(=O)NCc1cccc(-c2cn(S(=O)(=O)c3ccccc3)c3nccc(Cl)c23)c1 to produce NCc1cccc(-c2cn(S(=O)(=O)c3ccccc3)c3nccc(Cl)c23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.