Using C=C[Sn](CCCC)(CCCC)CCCC, Fc1cccc2[nH]c(-c3cc(Cl)nnc3Cl)cc12 to produce C=Cc1nnc(Cl)cc1-c1cc2c(F)cccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.