Using [N-]=[N+]=Nc1ccc(Cl)cc1C(=O)c1ccccc1, NO to produce [N-]=[N+]=Nc1ccc(Cl)cc1C(=NO)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.