Using CC(C)(C)OC(=O)N1C[C@@H](CO)OC[C@H]1CO[Si](C)(C)C(C)(C)C, O=[N+]([O-])c1cccc(F)c1F to produce CC(C)(C)OC(=O)N1C[C@@H](COc2c(F)cccc2[N+](=O)[O-])OC[C@H]1CO[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.