Using c1ccccc1, O=S(=O)(F)C(F)(F)C(F)(F)OC(F)(F)C(F)(F)I to produce O=S(=O)(F)C(F)(F)C(F)(F)OC(F)(F)C(F)(F)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.