Using NOS(=O)(=O)O, Nc1c2c(nc3ccccc13)CCc1cn[nH]c1-2 to produce Nc1c2c(nc3ccccc13)CCc1cn(N)nc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.