Using BrC1CCCC1, Oc1cnccc1-c1nc2cc(C(F)(F)F)ccc2o1 to produce FC(F)(F)c1ccc2oc(-c3ccncc3OC3CCCC3)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.