Using COc1cc(-c2oc3cc(I)ccc3c(=O)c2O)cc(OC)c1OC, ClCc1ccccc1 to produce COc1cc(-c2oc3cc(I)ccc3c(=O)c2OCc2ccccc2)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.