Using N#Cc1cc(C(F)(F)F)ccc1Nc1cc(F)c(F)cc1[N+](=O)[O-], Cl[Sn]Cl to produce NC1=Nc2cc(F)c(F)cc2Nc2ccc(C(F)(F)F)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.