Using O=C1Nc2ccc(Cl)cc2C(O)(c2ccccc2)N1CC(F)(F)F, CCN(CC)CC to produce CCC1(c2ccccc2)c2cc(Cl)ccc2NC(=O)N1CC(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.