Using CC(O)c1cccnc1N, CC(C)(C)OC(=O)N[C@H](CCO)Cc1ccc(C(=O)CBr)cc1 to produce CC(O)c1cccn2cc(-c3ccc(C[C@@H](CCO)NC(=O)OC(C)(C)C)cc3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.