Using O=Cc1ccc(Br)cc1, OB(O)c1cc2cc(N3CCCCC3)ccc2o1 to produce O=Cc1ccc(-c2cc3cc(N4CCCCC4)ccc3o2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.