Using CC(C)(C)[Si](C)(C)OC(CCC1CCC(=O)N1)Cc1ccc(F)cc1, N#CCCCCCCBr to produce CC(C)(C)[Si](C)(C)OC(CCC1CCC(=O)N1CCCCCCC#N)Cc1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.