Using CC(C)(C)OC(=O)N1CCC[C@H]1CNc1ccc2ncc(Br)n2n1 to produce CC(C)(C)OC(=O)N1CCC[C@H]1CNc1ccc2nccn2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.