Using O=S(=O)(Cl)c1cccs1, COc1cccc(CC2CNCCN2)n1 to produce COc1cccc(CC2CN(S(=O)(=O)c3cccs3)CCN2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.