Using N#CBr, Nc1ccc(Sc2nnc3ccc(-c4ccc(F)cc4)nn23)cc1N to produce Nc1nc2ccc(Sc3nnc4ccc(-c5ccc(F)cc5)nn34)cc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.