Using CC(C)C[C@H](N[C@H](CCN1C(=O)c2cc3ccccc3cc2C1=O)C(=O)OC(C)(C)C)C(=O)O, NCc1cccnc1 to produce CC(C)C[C@H](N[C@H](CCN1C(=O)c2cc3ccccc3cc2C1=O)C(=O)OC(C)(C)C)C(=O)NCc1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.