Using COc1ccc(Oc2c(C)nn(CC#N)c2C)c2c1CCC2, [N-]=[N+]=[N-] to produce COc1ccc(Oc2c(C)nn(Cc3nnn[nH]3)c2C)c2c1CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.