Using O=Cc1ccc(Cl)cc1[N+](=O)[O-] to produce O=[N+]([O-])c1cc(Cl)ccc1/C=C/c1ccc(Cl)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.