Using Cc1nccc(Cl)n1, O=C(C1CCN(S(=O)(=O)c2ccc(Cl)cc2)CC1)N1CCNCC1 to produce Cc1nccc(N2CCN(C(=O)C3CCN(S(=O)(=O)c4ccc(Cl)cc4)CC3)CC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.