Using COC(=O)c1ccc(CNc2ccc(O[Si](C)(C)C(C)(C)C)cc2[N+](=O)[O-])cc1OC to produce COC(=O)c1ccc(CNc2ccc(O[Si](C)(C)C(C)(C)C)cc2N)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.