Using COc1ccc(Oc2c(Cl)cc(-n3ncc(=O)[nH]c3=O)cc2Cl)cc1[N+](=O)[O-], C[Si](C)(C)CCOCCl to produce COc1ccc(Oc2c(Cl)cc(-n3ncc(=O)n(COCC[Si](C)(C)C)c3=O)cc2Cl)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.