Using C[C@@H]1CN(c2ccc(C#N)c([N+](=O)[O-])c2)C[C@H](C)N1 to produce C[C@@H]1CN(c2ccc(C#N)c(N)c2)C[C@H](C)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.