Using NCc1ccc(CCN2CCN(c3ccncc3)CC2)cc1, CCCCS(=O)(=O)Cl to produce CCCCS(=O)(=O)NCc1ccc(CCN2CCN(c3ccncc3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.