Using CS(=O)(=O)Cl, Nc1ccc([N+](=O)[O-])cc1C(=O)c1ccc(F)cc1F to produce CS(=O)(=O)Nc1ccc([N+](=O)[O-])cc1C(=O)c1ccc(F)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.