Using C#C[Sn](CCCC)(CCCC)CCCC, CCOC(=O)C1=Cc2cc(I)cc(Cl)c2OC1C(F)(F)F to produce C#Cc1cc(Cl)c2c(c1)C=C(C(=O)OCC)C(C(F)(F)F)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.