Using CCC(=O)C1C(=O)C(=O)N(c2cc(OC)c3nnc(C)n3c2)C1c1ccc(Cl)cc1, NNCCOCC(F)(F)F to produce CCc1nn(CCOCC(F)(F)F)c2c1C(c1ccc(Cl)cc1)N(c1cc(OC)c3nnc(C)n3c1)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.