Using CS(=O)(=O)Oc1ccc([N+](=O)[O-])c(Nc2ccccc2OC(F)(F)F)n1, O=C(n1ccnc1)n1ccnc1 to produce CS(=O)(=O)Oc1ccc2nc(O)n(-c3ccccc3OC(F)(F)F)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.