Using CC(C)(C)Nc1ccc(B2OC(C)(C)C(C)(C)O2)cc1N, Brc1cnc2c(c1)CCN2 to produce CC(C)(C)Nc1ccc(-c2cnc3c(c2)CCN3)cc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.