Using CI, COC(=O)C1=CCC(CO)CC1(C)c1ccc(Cl)c(C(F)(F)F)c1 to produce COCC1CC=C(C(=O)OC)C(C)(c2ccc(Cl)c(C(F)(F)F)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.