Using CO[C@@H]1CN(C(N)=O)CC[C@@H]1NC(=O)OCc1ccccc1, CCCCOC(=O)C(=O)C(Br)CCC to produce CCCc1oc(N2CC[C@H](NC(=O)OCc3ccccc3)[C@H](OC)C2)nc1C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.