Using CCN(c1nc(C)cc(-c2ccccc2C(F)(F)F)n1)c1ccc(Br)cc1Br, C[S-] to produce CCN(c1nc(C)cc(-c2ccccc2C(F)(F)F)n1)c1ccc(SC)cc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.