Using COCCOc1ccc([N+](=O)[O-])cc1S(=O)(=O)[O-], O=P(Cl)(Cl)Cl to produce COCCOc1ccc([N+](=O)[O-])cc1S(=O)(=O)Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.