Using CCc1ccc(-c2ccc(B(O)O)c(F)c2)cc1, Brc1ccc[se]1 to produce CCc1ccc(-c2ccc(-c3ccc[se]3)c(F)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.