Using Cc1c(Cl)cc(C(C)O)c(-c2cc(F)cc(F)c2)c1C=O, [OH-] to produce Cc1c(Cl)cc(C(C)O)c(-c2cc(F)cc(F)c2)c1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.