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