Using COC(=O)Cn1nc(-c2ccc(Cl)cc2)n(/C=C/C(F)(F)F)c1=O to produce COC(=O)Cn1nc(-c2ccc(Cl)cc2)n(CCC(F)(F)F)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.