Using CCOC(=O)[C@H]1CCN(C(=O)OC(C)(C)C)[C@H]1c1cc([N+](=O)[O-])ccc1S(=O)(=O)C1CC1 to produce CCOC(=O)[C@H]1CCN(C(=O)OC(C)(C)C)[C@H]1c1cc(N)ccc1S(=O)(=O)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.