Using COc1ccccc1Br, COC(=O)c1cc(COc2ccc(B3OC(C)(C)C(C)(C)O3)cc2)c(C)o1 to produce COC(=O)c1cc(COc2ccc(-c3ccccc3OC)cc2)c(C)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.