Using CON=C(C1=Nc2ccc(Cl)cc2C(c2ccccc2F)=NC1)[N+](=O)[O-] to produce CON=C(N)C1=Nc2ccc(Cl)cc2C(c2ccccc2F)=NC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.