Using COC(=O)c1ccc(C2=NOC(c3cc(Cl)cc(Cl)c3)(C(F)(F)F)C2C(C)O)cc1C to produce CC=C1C(c2ccc(C(=O)O)c(C)c2)=NOC1(c1cc(Cl)cc(Cl)c1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.