Using C[C@H](c1ccc(Cl)cc1Cl)n1cnc2ccc(Br)cc21, CC(C)(C)OC(=O)N1CC=C(B(O)O)CC1 to produce C[C@H](c1ccc(Cl)cc1Cl)n1cnc2ccc(C3=CCN(C(=O)[C@H]4CCCCN4)CC3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.