Using CCOC(=O)c1cc(OC)c(OCc2ccccc2)c(C(F)(F)F)c1 to produce COc1cc(C(=O)O)cc(C(F)(F)F)c1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.