Using O=[N+]([O-])c1ccc(O)cc1, O=C(O)CCCC[Si]1(O)CCCCC1 to produce O=C(CCCC[Si]1(O)CCCCC1)Oc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.