Using C=C[C@@H](C)[C@H](NC(=O)C(F)(F)F)C(=O)O, O=C(Cl)OCc1ccccc1 to produce C=C[C@@H](C)[C@H](NC(=O)OCc1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.