Using CC(C)n1cc(-c2cc(Br)cnc2N)nn1, O=C(c1cccc(B(O)O)c1)N1CCOCC1 to produce CC(C)n1cc(-c2cc(-c3cccc(C(=O)N4CCOCC4)c3)cnc2N)nn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.