Using Fc1ccc(I)c(F)c1, CCCC[Sn](CCCC)(CCCC)c1oc2cc(N)c(Br)cc2c1C(=O)OCC to produce CCOC(=O)c1c(-c2ccc(F)cc2F)oc2cc(N)c(Br)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.