Using CCOC(=O)C(C)(C)Oc1cc(Cl)c(OC(=O)c2ccccc2)cc1Cl to produce COC(=O)C(C)(C)Oc1cc(Cl)c(O)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.