Using COC(=O)c1cc(C2=CCCO2)c(C(F)(F)F)cc1NC(C)=O to produce COC(=O)c1cc(C2CCCO2)c(C(F)(F)F)cc1NC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.