Using CCCN(C(=O)CC(C)C)c1nc(-c2ncnc3c2ccn3S(=O)(=O)c2ccc(C)cc2)cs1 to produce CCCN(C(=O)CC(C)C)c1nc(-c2ncnc3[nH]ccc23)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.