Using CCOC(=O)CCc1ccc(OCc2cccc(OCC(C)=O)c2)c(F)c1 to produce CC(=O)COc1cccc(COc2ccc(CCC(=O)O)cc2F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.