Using CCOCC, COc1ccccc1-c1nn(COCC[Si](C)(C)C)c2ncc(-c3cccc(C#N)c3)cc12 to produce COC(=N)c1cccc(-c2cnc3[nH]nc(-c4ccccc4OC)c3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.