Using COC(=O)c1ccc(Cl)c(O)c1, COc1ccc(CCO)cc1 to produce COC(=O)c1ccc(Cl)c(OCCc2ccc(OC)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.