Using CC(C)(C)OC(=O)NCCc1ccc(O)cc1, O=C(CBr)OCc1ccccc1 to produce CC(C)(C)OC(=O)NCCc1ccc(OCC(=O)OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.