Using Cc1nc2c(Cl)ccc(C#N)c2c(C)c1Cc1ccc(Cl)cc1, C[Si](C)(C)N=[N+]=[N-] to produce Cc1nc2c(Cl)ccc(-c3nnn[nH]3)c2c(C)c1Cc1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.