Using Cc1cc(Cl)ccc1S(C)(=O)=O, Oc1ccc(Cl)c(Cl)c1 to produce Cc1cc(Oc2ccc(Cl)c(Cl)c2)ccc1S(C)(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.