Using COC[C@@H](NC(c1ccccc1)(c1ccccc1)c1ccccc1)C(=O)NCc1ccccc1 to produce COC[C@@H](N)C(=O)NCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.