Using CN(CC#N)CCC(c1ccccc1)c1ccccc1, CCCC[Sn](CCCC)(CCCC)N=[N+]=[N-] to produce CN(CCC(c1ccccc1)c1ccccc1)Cc1nnn[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.