Using C#CCBr, O=c1[nH]c2cc(-n3nc4c([n+]3[O-])CCCC4)c(F)cc2s1 to produce C#CCn1c(=O)sc2cc(F)c(-n3nc4c([n+]3[O-])CCCC4)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.