Using OCCOc1ccc(OCCO)cc1, COC(=O)c1ccc(O)c(Cl)c1 to produce O=C(OCCOc1ccc(OCCO)cc1)c1ccc(O)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.