Using CC(C)c1nc2c([N+](=O)[O-])cc(N3CCOCC3)cc2n1Cc1cccc2ccccc12 to produce CC(C)c1nc2c(N)cc(N3CCOCC3)cc2n1Cc1cccc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.