Using CN(Cc1cc([N+](=O)[O-])ccc1S(=O)(=O)C(C)(C)C)C(=O)OC(C)(C)C to produce CN(Cc1cc(N)ccc1S(=O)(=O)C(C)(C)C)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.