Using C=C(OCC)c1ccccc1Cc1nc2c(Nc3ccc(C(F)(F)F)cc3)ncnc2s1 to produce CC(=O)c1ccccc1Cc1nc2c(Nc3ccc(C(F)(F)F)cc3)ncnc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.