Using Brc1ccc(Br)cc1, O=C1OC(c2ccccc2)c2ccccc21 to produce BrC1(c2oc(-c3ccccc3)c3ccccc23)C=CC=CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.