Using FC(F)(F)Oc1ccccc1CBr, COC(=O)c1sc(-n2cnc3cnccc32)cc1O to produce COC(=O)c1sc(-n2cnc3cnccc32)cc1OCc1ccccc1OC(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.