Using CC(C)(C)OC(=O)N1CCC(C(=O)Nc2ccccc2Br)CC1, BrCC1CCCCC1 to produce CC(C)(C)OC(=O)N1CCC(C(=O)N(CC2CCCCC2)c2ccccc2Br)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.