Using O=C([O-])C(=O)Cc1ccccc1, N[C@H]1CCCCN(CC(=O)O)C1=O to produce O=C(O)CN1CCCC[C@H](NC(Cc2ccccc2)C(=O)O)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.