Using Cc1c(Br)cccc1-n1c(=O)[nH]c2ccc(F)cc2c1=O, O=C([O-])[O-] to produce Cc1c(Br)cccc1-n1c(=O)c2cc(F)ccc2n(C)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.