Using COC(=O)Cc1cc(-c2ccc(C(F)(F)F)cc2)nc(-c2cc(C(F)(F)F)cc(C(F)(F)F)c2)c1, C=C(C)CBr to produce C=C(C)CC(C(=O)OC)c1cc(-c2ccc(C(F)(F)F)cc2)nc(-c2cc(C(F)(F)F)cc(C(F)(F)F)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.