Using CS(=O)(=O)NC(=O)c1cc(Cl)c(Oc2cnc(F)c(Cl)c2)cc1F, CC(C)(C)OC(=O)C1CC(F)(F)C1 to produce CC(C)(C)Oc1ncc(Oc2cc(F)c(C(=O)NS(C)(=O)=O)cc2Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.