Using O=C(CN1C(=O)c2ccccc2C1=O)c1ncc(Cl)cc1Cl, NO to produce O=C1c2ccccc2C(=O)N1CC(=NO)c1ncc(Cl)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.