Using CCOC(=O)CC(=O)OCC, CC(Oc1ccc(Cl)cc1Cl)C(=O)Cl to produce CCOC(=O)C(C(=O)OCC)C(=O)C(C)Oc1ccc(Cl)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.