Using CCc1nc2c(N)nc3cc(O)ccc3c2s1, FC(F)(F)c1ccc(CBr)o1 to produce CCc1nc2c(N)nc3cc(OCc4ccc(C(F)(F)F)o4)ccc3c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.