Using CC(C)(C)OC(=O)CCc1ccc(OCc2cccc(-c3ccccc3C=O)c2)cc1 to produce CC(C)(C)OC(=O)CCc1ccc(OCc2cccc(-c3ccccc3CO)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.