Using O=P(Cl)(Cl)Cl, O=[N+]([O-])c1cc(S(=O)(=O)[O-])cc([N+](=O)[O-])c1Cl to produce O=[N+]([O-])c1cc(S(=O)(=O)Cl)cc([N+](=O)[O-])c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.