Using C#C[Si](C)(C)C, Clc1ccc(CN[C@H]2CCN(c3ncc(Br)cn3)C2)c(Cl)c1 to produce C[Si](C)(C)C#Cc1cnc(N2CC[C@H](NCc3ccc(Cl)cc3Cl)C2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.