Using CCOC(=O)Cl, O=C(O)C(S)c1ccc(-c2ccccc2Cl)cc1 to produce CCOC(=O)SC(C(=O)O)c1ccc(-c2ccccc2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.