Using COC(=O)CN1CCO[C@H](OCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)[C@@H]1c1ccccc1 to produce O=C(O)CN1CCO[C@H](OCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)[C@@H]1c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.