Using Cc1nc2ccc(F)cc2c(=O)n1-c1ccccc1Br, Cc1nc(C=O)cs1 to produce Cc1nc(C=Cc2nc3ccc(F)cc3c(=O)n2-c2ccccc2Br)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.