Using CC(=O)NNC(=O)[C@H](Cc1ccccc1)NC(=O)CNC(=O)OCc1ccccc1 to produce CC(=O)NNC(=O)[C@H](Cc1ccccc1)NC(=O)CN, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.