Using COCOc1c(C)c(C=CC=CCO)c(OCOC)c(OC)c1OC to produce COCOc1c(C)c(C=CC=CC=O)c(OCOC)c(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.