Using C=CCc1c(OCOC)cc(OCOC)c(C(=O)C=Cc2ccc(OCOC)cc2)c1O to produce CCCc1c(OCOC)cc(OCOC)c(C(=O)CCc2ccc(OCOC)cc2)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.