Using CC(C)(C)OC(=O)N1CCNCC1, BrCCCOc1ccc(Br)cc1 to produce CC(C)(C)OC(=O)N1CCN(CCCOc2ccc(Br)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.