Using CC(=O)O, CCOC(=O)C(=Cc1ccc(OCc2c(Cl)cccc2Cl)cc1)C(=O)[O-] to produce CCOC(=O)C(Cc1ccc(OCc2c(Cl)cccc2Cl)cc1)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.