Using CCOC(=O)COc1ccc(C(C)(C)c2ccc(OCC(=O)OCC)cc2)cc1 to produce CC(C)(c1ccc(OCC(=O)O)cc1)c1ccc(OCC(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.