Using COc1ccc2c(c1)CC(C(=O)O)CC2, Nc1ccc(Cl)c(C(F)(F)F)c1 to produce COc1ccc2c(c1)CC(C(=O)Nc1ccc(Cl)c(C(F)(F)F)c1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.