Using CN(C)c1cc(NC(=O)OC(C)(C)C)c([N+](=O)[O-])cc1C#Cc1ccccc1 to produce CN(C)c1cc(NC(=O)OC(C)(C)C)c(N)cc1C#Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.