Using N#Cc1c(CBr)c(-c2ccccc2)c(F)c2oc(C3CC3)nc12, [F-] to produce N#Cc1c(CF)c(-c2ccccc2)c(F)c2oc(C3CC3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.