Using O=C1c2ccccc2C(=O)N1c1cnccc1-c1nc2cc(C(F)(F)F)ccc2o1 to produce Nc1cnccc1-c1nc2cc(C(F)(F)F)ccc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.