Using CC(C)(C)C(=O)c1c[nH]c2ncc(Br)nc12, OB(O)c1cccc(CN2CCCCC2)c1 to produce CC(C)(C)C(=O)c1c[nH]c2ncc(-c3cccc(CN4CCCCC4)c3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.