Using COc1ccc2ncc3c(c2c1)CC(n1cc([N+](=O)[O-])cn1)CO3 to produce COc1ccc2ncc3c(c2c1)CC(n1cc(N)cn1)CO3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.