Using CC(C)(O)C#Cc1cnc2c(c1)c1cc(C#N)ncc1n2COCC[Si](C)(C)C to produce CC(C)(O)C#Cc1cnc2[nH]c3cnc(C#N)cc3c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.