Using CC(C)(C)OC(=O)N1CCC[C@H]1c1nc(Br)c(Br)[nH]1 to produce CC(C)(C)OC(=O)N1CCC[C@H]1c1ncc(Br)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.