Using BrCc1ccc2nsnc2c1, O=c1ccc(-c2cc(F)c(F)c(F)c2)n[nH]1 to produce O=c1ccc(-c2cc(F)c(F)c(F)c2)nn1Cc1ccc2nsnc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.