Using CC1(C)C2CNCC1CN(CC1CC1)C2, BrC(c1ccccc1)c1ccccc1 to produce CC1(C)C2CN(CC3CC3)CC1CN(C(c1ccccc1)c1ccccc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.