Using O=C1CC(CC(F)(F)Cl)CN1CCl, FC(F)(F)c1cn2nc(COCc3ccccc3)sc2n1 to produce O=C1CC(CC(F)(F)Cl)CN1Cc1c(C(F)(F)F)nc2sc(CO)nn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.