Using CC1(C)CCC(C)(C)c2cc(CC(=O)Oc3ccc(C(=O)OCc4ccccc4)cc3)ccc21 to produce CC1(C)CCC(C)(C)c2cc(CC(=O)Oc3ccc(C(=O)O)cc3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.