Using O=S(=O)(Cl)CCCCl, N#CC(=NO)c1c(Cl)cccc1Cl to produce N#CC(=NOS(=O)(=O)CCCCl)c1c(Cl)cccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.