Using CCOC(=O)c1sc(N2CCC(c3cc(Cl)c(Cl)c(Cl)c3)(C(F)(F)F)C2)nc1C(F)(F)F to produce O=C(O)c1sc(N2CCC(c3cc(Cl)c(Cl)c(Cl)c3)(C(F)(F)F)C2)nc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.