Using CN(C(=O)OCc1ccccc1)C1CCC(OCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)C1c1ccccc1 to produce CNC1CCC(OCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)C1c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.