Using CCc1c(Oc2ccc([N+](=O)[O-])cc2C(F)(F)F)n[nH]c1C, CN=C=O to produce CCc1c(Oc2ccc([N+](=O)[O-])cc2C(F)(F)F)nn(C(=O)NC)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.