Using COC(=O)Cc1ccc(O)cc1, OCc1ccccc1Oc1ccccc1 to produce COC(=O)Cc1ccc(OCc2ccccc2Oc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.