Using [OH-], CCOc1ccc(-c2cc3c(C(=O)C(Cl)(Cl)Cl)c[nH]c3cc2Cl)cc1 to produce CCOc1ccc(-c2cc3c(C(=O)O)c[nH]c3cc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.