Using CCOC(=O)[C@@H]1CC2(CCC(F)(F)CC2)CN1C(=O)OCc1ccccc1 to produce CCOC(=O)[C@@H]1CC2(CCC(F)(F)CC2)CN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.