Using Nc1ncns1, O=C1CN(C(=O)C(F)(F)F)CCN1c1ccc(S(=O)(=O)Cl)cc1 to produce O=C1CN(C(=O)C(F)(F)F)CCN1c1ccc(S(=O)(=O)Nc2ncns2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.