Using Brc1cccc(I)c1, OB(O)c1cc2c3ccccc3c3ccccc3c2c2ccccc12 to produce Brc1cccc(-c2cc3c4ccccc4c4ccccc4c3c3ccccc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.