Using O=S(=O)(Cl)c1ccccc1, O=C1CCCc2[nH]c3ccc(Cl)cc3c21 to produce O=C1CCC(S(=O)(=O)c2ccccc2)c2[nH]c3ccc(Cl)cc3c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.