Using CCCCOc1ncc(C)cc1Br, OB(O)c1cc(C(F)(F)F)ccc1F to produce CCCCOc1ncc(C)cc1-c1cc(C(F)(F)F)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.