Using CC(=O)NCCC(=O)O, N[C@@H](Cc1c[nH]cn1)C(=O)O to produce CC(=O)NCCC(=O)N[C@@H](Cc1cnc[nH]1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.