Using CC(C)(C)OC(=O)NCC(Cc1ccc(Br)cc1)C(=O)OCc1ccccc1, OB(O)c1ccccc1 to produce CC(C)(C)OC(=O)NCC(Cc1ccc(-c2ccccc2)cc1)C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.