Using FC(F)(F)c1cc(Oc2ccc(CCBr)cc2)ccc1Cl, Oc1ccnc(O)c1 to produce O=c1cc(OCCc2ccc(Oc3ccc(Cl)c(C(F)(F)F)c3)cc2)cc[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.