Using Cc1ccc(B(O)O)cc1, CC(C)(C)OC(=O)N1CCC(c2nnc(-c3cc(Br)cnc3N)o2)CC1 to produce Cc1ccc(-c2cnc(N)c(-c3nnc(C4CCN(C(=O)OC(C)(C)C)CC4)o3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.