Using C=C[Sn](CCCC)(CCCC)CCCC, O=C(c1ccc(F)cc1)N1CCc2ncc(Br)cc2C1 to produce C=Cc1cnc2c(c1)CN(C(=O)c1ccc(F)cc1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.