Using COC(=O)CC(=O)OC, ClCc1ccc2c(c1)OCO2 to produce COC(=O)C(Cc1ccc2c(c1)OCO2)(Cc1ccc2c(c1)OCO2)C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.