Using O=C(O)[C@@H]1C[C@H]1c1ccc(NCc2cccc(Oc3ccccc3)c2)cc1, NCC(F)(F)F to produce O=C(NCC(F)(F)F)[C@@H]1C[C@H]1c1ccc(NCc2cccc(Oc3ccccc3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.