Using FC(F)(F)CCCCCBr, O=c1c2ccc(O)cc2oc2cc(O)ccc12 to produce O=c1c2ccc(O)cc2oc2cc(OCCCCCC(F)(F)F)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.