Using COC(=O)[C@@H]1C[C@@H]2CN1C(=O)[C@H](C(C)(C)C)NC(=O)O[C@@H]1C[C@H]1CCCCCc1c(nc3ccccc3c1OS(=O)(=O)C(F)(F)F)O2, C=C[Sn](CCCC)(CCCC)CCCC to produce C=Cc1c2c(nc3ccccc13)O[C@@H]1C[C@@H](C(=O)OC)N(C1)C(=O)[C@H](C(C)(C)C)NC(=O)O[C@@H]1C[C@H]1CCCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.