Using Fc1cccc2c(Cl)ncnc12, OCCc1ccc(Oc2ccc(C(F)(F)F)cn2)cc1 to produce Fc1cccc2c(OCCc3ccc(Oc4ccc(C(F)(F)F)cn4)cc3)ncnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.