Using O=[N+]([O-])O, CCCCCCCCCCCCc1cnc(-c2ccc(O)cc2)nc1 to produce CCCCCCCCCCCCc1cnc(-c2ccc(O)c([N+](=O)[O-])c2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.