Using O=[N+]([O-])O, Nc1cc(C(F)(F)F)nn1-c1c(Cl)cc(C(F)(F)F)cc1Cl to produce Nc1c([N+](=O)[O-])c(C(F)(F)F)nn1-c1c(Cl)cc(C(F)(F)F)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.