Using Cc1ccc(NC(=O)C(C)(C)C)c(-c2ccnc(S(C)(=O)=O)n2)c1, OCC(F)(F)F to produce Cc1ccc(NC(=O)C(C)(C)C)c(-c2ccnc(OCC(F)(F)F)n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.