Using NS(=O)(=O)c1ccc(-n2nc(CO)cc2-c2ccccc2)cc1 to produce NS(=O)(=O)c1ccc(-n2nc(C=O)cc2-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.