Using CCOC(=O)[C@H](C)Cc1ccc(F)c(NC(=O)[C@@H](NC(=O)OCc2ccccc2)C(C)C(F)(F)F)c1 to produce CCOC(=O)[C@H](C)Cc1ccc(F)c(NC(=O)[C@@H](N)C(C)C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.