Using CN(C)C=O, O=C(Nc1cccc(Br)c1)[C@@H]1CCCN1C(=O)OCc1ccccc1 to produce Nc1ccc(-c2cccc(NC(=O)[C@@H]3CCCN3C(=O)OCc3ccccc3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.