Using Sc1ccc(Cl)c(Cl)c1, C=C(CC(=O)OC)C(=O)[O-] to produce COC(=O)CC(CSc1ccc(Cl)c(Cl)c1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.