Using O=[N+]([O-])O, O=c1nc(-c2ccccc2)c2ccsc2n1CC1CC1 to produce O=c1nc(-c2ccccc2)c2cc([N+](=O)[O-])sc2n1CC1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.