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