Using C=C[Sn](CCCC)(CCCC)CCCC, CC(C)(C)OC(=O)NCc1ccc(NS(C)(=O)=O)c(I)c1 to produce C=Cc1cc(CNC(=O)OC(C)(C)C)ccc1NS(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.