Using O=C(Cl)Oc1ccccc1, CCCCCCCCCCCCCCOc1ccc(CO)cc1 to produce CCCCCCCCCCCCCCOc1ccc(COC(=O)Oc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.