Using CC(C)(C)OC(=O)NCc1cc(I)c(N)c(C(F)(F)F)c1, CCCCC([Sn])=C(CCCC)CCCC to produce C=Cc1cc(CNC(=O)OC(C)(C)C)cc(C(F)(F)F)c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.