Using Nc1nc(N)c2c(n1)CCC(Cc1cccc(C(F)(F)F)c1OCc1ccccc1)C2 to produce Nc1nc(N)c2c(n1)CCC(c1c(CO)cccc1C(F)(F)F)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.