Using O=[N+]([O-])c1c(OS(=O)(=O)C(F)(F)F)ccc2ccccc12, CC(C)(C)OC(=O)NCCN to produce CC(C)(C)OC(=O)NCCNc1ccc2ccccc2c1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.