Using CC1(C)COc2c(CC3CCCCC3)cc(Br)cc21, COB(OC)OC to produce CC1(C)COc2c(CC3CCCCC3)cc(B(O)O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.