Using BrCc1ccc2ncsc2c1, Nc1c(Cl)ccc2c1CCN(C(=O)C(F)(F)F)CC2 to produce O=C(N1CCc2ccc(Cl)c(NCc3ccc4ncsc4c3)c2CC1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.