Using CC(C)(C)OC(=O)N[C@H]1CC[C@@H](N)CC1, Cc1ccc(Br)nc1 to produce Cc1ccc(N[C@H]2CC[C@@H](NC(=O)OC(C)(C)C)CC2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.