Using COC(=O)c1ccccc1Br, OB(O)c1ccc(B(O)O)c2ccccc12 to produce COC(=O)c1ccccc1-c1ccc(-c2ccccc2C(=O)OC)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.