Using CC(=O)N1CCC(C(=O)c2ccc(Cl)cc2Cl)CC1, NO to produce CC(=O)N1CCC(C(=NO)c2ccc(Cl)cc2Cl)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.