Using COC(=O)CS, Oc1ccc(C(O)CCCc2ccc(Cl)cc2)cc1 to produce COC(=O)CSC(CCCc1ccc(Cl)cc1)c1ccc(O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.