Using COc1c([N+](=O)[O-])cc(C(C)(C)C)cc1S(=O)(=O)NC(C)(C)C to produce COc1c(N)cc(C(C)(C)C)cc1S(=O)(=O)NC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.