Using CS(=O)(=O)c1cccc(-c2cccc3nc(Nc4ccc(C=O)cc4)nn23)c1 to produce CS(=O)(=O)c1cccc(-c2cccc3nc(Nc4ccc(CO)cc4)nn23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.