Using Cc1c(C(=O)N2CCN(C)CC2)[nH]c2ccc([N+](=O)[O-])cc12 to produce Cc1c(C(=O)N2CCN(C)CC2)[nH]c2ccc(N)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.