Using OB(O)c1ccc2c3c(cccc13)-c1ccccc1-2, Brc1ccc(I)cc1 to produce Brc1ccc(-c2ccc3c4c(cccc24)-c2ccccc2-3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.