Using N#Cc1sc(Br)nc1-c1ccc(Cl)cc1Cl, C[Si](C)(C)N[Si](C)(C)C to produce N=C(N)c1sc(Br)nc1-c1ccc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.