Using CC1=C([N+](=O)[O-])C(C)(NCc2ccccc2)CC(C)(C)C1Nc1ccccn1 to produce CC1=C(N)C(C)(NCc2ccccc2)CC(C)(C)C1Nc1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.