Using CC(=O)OC(C)c1nc2c(C(F)(F)F)cccc2c(O)c1C(=O)Nc1nccs1 to produce CC(O)c1nc2c(C(F)(F)F)cccc2c(O)c1C(=O)Nc1nccs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.