Using CC(=O)c1ccc2nnn(Cc3ccc4ncccc4c3)c2n1, NO to produce CC(=NO)c1ccc2nnn(Cc3ccc4ncccc4c3)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.