Using COC(=O)C(CC1CCCC1)n1ncc(Cl)c(Cl)c1=O, [OH-] to produce O=C(O)C(CC1CCCC1)n1ncc(O)c(Cl)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.