Using NS(=O)(=O)c1c(Cl)ccc([N+](=O)[O-])c1Cl, O to produce NS(=O)(=O)c1c(Cl)ccc([N+](=O)[O-])c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.