Using O=C(OCc1ccccc1)c1ccc(O)cc1, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)COc1ccc(C(=O)OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.