Using Cc1ccccc1C1CC(N=[N+]=[N-])C(=O)N(CC(=O)NC(C)(C)C)C(c2ccccc2)C1 to produce Cc1ccccc1C1CC(N)C(=O)N(CC(=O)NC(C)(C)C)C(c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.