Using C=C[Sn](CCCC)(CCCC)CCCC, O=S(=O)(OC1=C[C@@H]2[C@H](C1)CC21OCCO1)C(F)(F)F to produce C=CC1=C[C@@H]2[C@H](C1)CC21OCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.