Using CCOC(=O)CC(C[N+](=O)[O-])C1(NC(=O)OC(C)(C)C)CC(OCc2ccccc2)C1 to produce CC(C)(C)OC(=O)NC1(C2CNC(=O)C2)CC(OCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.