Using CC(C)(C)[O-], Nc1cc(Br)nc(N(Cc2ccccc2)Cc2ccccc2)c1[N+](=O)[O-] to produce Cc1ccc(CNc2cc(Br)nc(N(Cc3ccccc3)Cc3ccccc3)c2[N+](=O)[O-])cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.