Using COc1ccc(-c2cc3cn(COCC[Si](C)(C)C)nc3cc2C)c(F)c1, CCOC(=O)C#N to produce CCOC(=O)c1c2cc(-c3ccc(OC)cc3F)c(C)cc2nn1COCC[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.