Using O=Cc1ccc(-n2ccnc2)cc1, CC(C)(C)[N+](=O)[O-] to produce CC(C)(C)[N+]([O-])=Cc1ccc(-n2ccnc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.