Using CC(=O)Nc1cc(Nc2ccc(Br)cc2[N+](=O)[O-])cc(-n2cncn2)c1 to produce CC(=O)Nc1cc(Nc2ccc(Br)cc2N)cc(-n2cncn2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.