Using O=S(Cl)Cl, CCOc1ccccc1OCCNC(C)C(O)c1ccc(OC)c(S(N)(=O)=O)c1 to produce CCOc1ccccc1OCCNC(C)C(Cl)c1ccc(OC)c(S(N)(=O)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.