Using COc1ccc2c(c1)C(=O)C(=O)N2c1ccccc1OC, [OH-] to produce COc1ccc2nc3c(OC)cccc3c(C(=O)O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.