Using CC(=O)C=Cc1ccc(Oc2ncc(C(F)(F)F)cc2F)cc1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C1C(O)=CC(=O)CC1c1ccc(Oc2ncc(C(F)(F)F)cc2F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.