Using CC(=O)CCC(C)=O, C[Si](C)(C)CCOCn1ccc(N)n1 to produce Cc1ccc(C)n1-c1ccn(COCC[Si](C)(C)C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.