Using Nc1nc(CCl)cs1, O=C(CCS(=O)(=O)c1ccc2cc(Cl)ccc2c1)N1CCNCC1 to produce Nc1nc(CN2CCN(C(=O)CCS(=O)(=O)c3ccc4cc(Cl)ccc4c3)CC2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.