Using C[Si](C)(C)CCOCn1ccc(N)n1, Cc1cc(Cl)nc(Cl)n1 to produce Cc1cc(Nc2ccn(COCC[Si](C)(C)C)n2)nc(Cl)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.