Using CC1(C)OB(c2ccc(CBr)cc2)OC1(C)C, COC(=O)c1ccccc1O to produce COC(=O)c1ccccc1OCc1ccc(B2OC(C)(C)C(C)(C)O2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.