Using CC(C)(C)c1ccc2oc(C(=O)COc3ccc(C(=O)OCc4ccccc4)cc3)cc2c1 to produce CC(C)(C)c1ccc2oc(C(=O)COc3ccc(C(=O)O)cc3)cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.