Using CC(C)[C@H](NC(=O)OCc1ccc([N+](=O)[O-])cc1)C(=O)NC[C@H]1OCC[C@H]1SC1=C(C(=O)OCc2ccc([N+](=O)[O-])cc2)N2C(=O)[C@H]([C@@H](C)O)[C@H]2[C@H]1C to produce CC(C)[C@H](N)C(=O)NC[C@H]1OCC[C@H]1SC1=C(C(=O)O)N2C(=O)[C@H]([C@@H](C)O)[C@H]2[C@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.