Using OCCc1ccc(Cl)cc1Cl, CCOC(=O)c1ccc(OCC)c(O)c1 to produce CCOC(=O)c1ccc(OCC)c(OCCc2ccc(Cl)cc2Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.