Using Brc1cncc(-c2nn[nH]n2)c1, CC(C)(C)OC(=O)c1ccc(CBr)cc1 to produce CC(C)(C)OC(=O)c1ccc(Cn2nnc(-c3cncc(Br)c3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.