Using CCC(=O)CN(C(=O)Cc1cccc(F)c1)c1ccc(Cl)c(C(F)(F)F)c1 to produce CCC1=C(c2cccc(F)c2)C(=O)N(c2ccc(Cl)c(C(F)(F)F)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.