Using O=C(Cc1ccccc1)c1ccccc1, BrCc1ccc(I)c(Br)c1 to produce O=C(c1ccccc1)C(Cc1ccc(I)c(Br)c1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.