Using CCOC(=O)C=CC(F)(F)C(F)(F)F, CC(C)(C)c1ccc(C=O)c(O)c1 to produce CCOC(=O)C1=Cc2ccc(C(C)(C)C)cc2OC1C(F)(F)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.