Using CCc1nc2nc(C)cc(C)c2[nH]1, O=[N+]([O-])c1ccc(CBr)cc1 to produce CCc1nc2c(C)cc(C)nc2n1Cc1ccc([N+](=O)[O-])cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.