Using CCCCNc1nc(N)nc(C)c1Cc1ccc(CO)cc1OC, O=S(Cl)Cl to produce CCCCNc1nc(N)nc(C)c1Cc1ccc(CCl)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.