Using CN(C)CCn1c(=O)c2cccc([N+](=O)[O-])c2c2cnc3cc4c(cc3c21)OCO4 to produce CN(C)CCn1c(=O)c2cccc(N)c2c2cnc3cc4c(cc3c21)OCO4, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.