Using CC1(C)c2cc(Br)ccc2-c2ccc(Br)cc21, OB(O)c1ccccc1-c1ccccc1 to produce CC1(C)c2cc(Br)ccc2-c2ccc(-c3ccccc3-c3ccccc3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.