Using CC(C)(C)OC(=O)Nc1cccc(Nc2ccc(Br)cc2[N+](=O)[O-])c1 to produce Nc1cccc(Nc2ccc(Br)cc2N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.