Using CCC(Br)C(=O)N1CCCCC1, Fc1ccccc1-c1nnc2ccc(S)nn12 to produce CCC(Sc1ccc2nnc(-c3ccccc3F)n2n1)C(=O)N1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.