Using COc1ncc(C#N)cc1-c1c([N+](=O)[O-])cnn1COCC[Si](C)(C)C to produce COc1ncc(C#N)cc1-c1c(N)cnn1COCC[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.