Using CC[Si](Cl)(CC)CC, O=[N+]([O-])CC(O)c1cccc(Cl)c1 to produce CC[Si](CC)(CC)OC(C[N+](=O)[O-])c1cccc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.