Using Cc1ccn2c(C)c(-c3ccc(O)c([N+](=O)[O-])c3)nc2c1 to produce Cc1ccn2c(C)c(-c3ccc(O)c(N)c3)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.