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