Using O=C1c2ccccc2C(=O)N1c1ccc([N+](=O)[O-])c(S(F)(F)(F)(F)F)c1 to produce Nc1ccc(N2C(=O)c3ccccc3C2=O)cc1S(F)(F)(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.