Using O=Cc1ccc(OCCOc2cccc(Br)n2)cc1, OB(O)c1ccccc1-c1ccc(F)cc1F to produce O=Cc1ccc(OCCOc2cccc(-c3ccc(F)cc3F)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.