Using ClC(Cl)=CCOc1cc(Cl)c(OCCCCBr)c(Cl)c1, OC(C(F)(F)F)C(F)(F)F to produce FC(F)(F)C(OCCCCOc1c(Cl)cc(OCC=C(Cl)Cl)cc1Cl)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.