Using CC(C)(C)OC(=O)Cn1cc(-c2nnc(Cl)c3ccccc23)c2ccccc21, [OH-] to produce O=C(O)Cn1cc(-c2n[nH]c(=O)c3ccccc23)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.