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