Using CC1(CNC(=O)OCc2ccccc2)CCN(C(=O)[C@](O)(c2ccccc2)[C@@H]2CCC(F)(F)C2)CC1 to produce CC1(CN)CCN(C(=O)[C@](O)(c2ccccc2)[C@@H]2CCC(F)(F)C2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.