Using CCOC(=O)Cc1sc(S)nc1C, FC(F)(F)c1ccc(Cl)nc1 to produce CCOC(=O)Cc1sc(Sc2ccc(C(F)(F)F)cn2)nc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.