Using OCCOc1nn(C(c2ccccc2)(c2ccccc2)c2ccccc2)c2cc(Cl)ncc12, O=C(O)C(F)(F)S(=O)(=O)F to produce FC(F)OCCOc1nn(C(c2ccccc2)(c2ccccc2)c2ccccc2)c2cc(Cl)ncc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.