Using O=C1C(=O)N(c2c(Cl)cccc2Cl)c2ccccc21, [OH-] to produce O=C(O)C(=O)c1ccccc1Nc1c(Cl)cccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.