Using CC(C)(C)C(=O)Nc1nc(Nc2cccc(Br)c2)c2c(n1)[nH]c1ccccc12 to produce Nc1nc(Nc2cccc(Br)c2)c2c(n1)[nH]c1ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.