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