Using CSc1ccc(C2=C(c3cc(F)cc(F)c3)C(=O)C(C)(C)O2)cc1C, O=C(OO)c1cccc(Cl)c1 to produce Cc1cc(C2=C(c3cc(F)cc(F)c3)C(=O)C(C)(C)O2)ccc1S(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.