Using CCOC(=O)c1ccc(C=Cc2ccc(OCOC)c(OCOC)c2)cc1 to produce COCOc1ccc(C=Cc2ccc(C(=O)O)cc2)cc1OCOC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.