Using COC(=O)C(C)c1ccc2c(c1)OCO2, O=C(O)c1ccc2c(c1)OCO2 to produce COC(=O)C(C)c1cc2c(cc1C(=O)c1ccc3c(c1)OCO3)OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.