Using OB(O)c1cccc(F)c1F, CC(C)(C)OC(=O)N(C(=O)OC(C)(C)C)[C@H](CC/C=C/[N+](=O)[O-])C(=O)OCc1ccccc1 to produce CC(C)(C)OC(=O)N(C(=O)OC(C)(C)C)[C@H](CC[C@H](C[N+](=O)[O-])c1cccc(F)c1F)C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.