Using C[Si](C)(C)CCOCCl, Brc1nc(C2CCC2)[nH]c1Br to produce C[Si](C)(C)CCOCn1c(C2CCC2)nc(Br)c1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.