Using CCC(CC)n1c(Cc2cccs2)nc2cc(C(=O)N[C@H](CC#N)CC(C)C)ccc21, NNC(=O)C(F)(F)F to produce CCC(CC)n1c(Cc2cccs2)nc2cc(C(=O)N[C@H](Cc3n[nH]c(C(F)(F)F)n3)CC(C)C)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.