Using [NH4+], Cn1c(CNc2ccc(C#N)cc2)nc2cc(S(=O)(=O)N3Cc4ccccc4C3)ccc21 to produce Cn1c(CNc2ccc(C(=N)N)cc2)nc2cc(S(=O)(=O)N3Cc4ccccc4C3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.