Using Cc1[nH]c2c(c1Sc1ccc(Cl)cc1)C(=O)CCC2, NO to produce Cc1[nH]c2c(c1Sc1ccc(Cl)cc1)C(=NO)CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.