Using Nc1ccc2nc(N3CCN(C4CC4)CC3)sc2c1, O=S(=O)(Cl)CCCCl to produce O=S1(=O)CCCN1c1ccc2nc(N3CCN(C4CC4)CC3)sc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.