Using Cc1c(OCC(=O)OC(C)C)ccc(F)c1NCc1cc(O)cc(-c2cccc(F)c2)c1 to produce Cc1c(OCC(=O)O)ccc(F)c1NCc1cc(O)cc(-c2cccc(F)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.