Using O=C1NCCc2sc3ccc(F)cc3c21, FC(F)(F)c1ccncc1Br to produce O=C1c2c(sc3ccc(F)cc23)CCN1c1cnccc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.