Using CCCC[Sn](CCCC)(CCCC)c1ccc(OCOC)c(Cc2ccccc2)n1, COCOc1ccccc1I to produce Oc1ccccc1-c1ccc(O)c(Cc2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.