Using CC1(C)c2ccccc2-n2c3ccccc3c3cc(Br)cc1c32, COB(OC)OC to produce CC1(C)c2ccccc2-n2c3ccccc3c3cc(B(O)O)cc1c32, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.