Using CC(C)(C)OC(=O)N[C@@H](Cc1ccccc1)C(=O)Nc1cc(Cl)cc(Br)c1, Cc1cc(B(O)O)ccn1 to produce Cc1cc(-c2cc(Cl)cc(NC(=O)[C@H](Cc3ccccc3)NC(=O)OC(C)(C)C)c2)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.