Using CC(C)(C)N(C(=O)[O-])[C@@H](Cc1ccccc1)CN1C(=O)c2ccccc2C1=O to produce N[C@@H](Cc1ccccc1)CN1C(=O)c2ccccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.