Using COC(=O)Cc1cc(Br)c(Oc2ccc(OC)c(I)c2)c(Br)c1 to produce COC(=O)Cc1cc(Br)c(Oc2ccc(O)c(I)c2)c(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.