Using NC(=O)c1c(F)ccc(OCc2nc3cc(Br)ccc3s2)c1F, C=CC[Sn](CCCC)(CCCC)CCCC to produce C=CCc1ccc2sc(COc3ccc(F)c(C(N)=O)c3F)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.