Using CC(C)(C)OC(=O)N1CCNCC1, CC(C)(C)c1cc(CBr)cc(C(C)(C)C)c1 to produce CC(C)(C)OC(=O)N1CCN(Cc2cc(C(C)(C)C)cc(C(C)(C)C)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.