Using CCCCCCCCCCCCCCCCc1ncnc(Oc2ccc([N+](=O)[O-])cc2[N+](=O)[O-])n1 to produce CCCCCCCCCCCCCCCCc1ncnc(Oc2ccc(N)cc2N)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.