Using CCCC[Sn](CCCC)(CCCC)SC, CC(C)(C)OC(=O)N1CCN2c3cc(I)ccc3CC2C1 to produce CSc1ccc2c(c1)N1CCN(C(=O)OC(C)(C)C)CC1C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.