Using O=C(Nc1ccc(Cl)c(C(=O)O)c1)c1cccc(C(F)(F)F)c1 to produce O=C(Nc1ccc(Cl)c(CO)c1)c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.