Using CC1CN(c2ccc([N+](=O)[O-])c(C(=O)O)c2)CC(C)O1 to produce CC1CN(c2ccc(N)c(C(=O)O)c2)CC(C)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.