Using O=CCCCC=O, CC(C)(N)CNc1nc(Oc2cccc3sc(N)nc23)cc(-c2ccc(C(F)(F)F)cc2)n1 to produce CC(C)(CNc1nc(Oc2cccc3sc(N)nc23)cc(-c2ccc(C(F)(F)F)cc2)n1)N1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.