Using OB(O)Oc1ccccc1, O=C1CCCc2ccc(OS(=O)(=O)C(F)(F)F)cc21 to produce O=C1CCCc2ccc(-c3ccccc3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.