Using COCc1cncc(Br)c1, CC(C)(C(=O)O)c1ccc(B(O)O)cc1 to produce COCc1cncc(-c2ccc(C(C)(C)C(=O)O)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.