Using CCOC(=O)C1CCOc2cc(O)ccc2C1, OCc1cccc(Oc2ccccc2)c1 to produce CCOC(=O)C1CCOc2cc(OCc3cccc(Oc4ccccc4)c3)ccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.