Using CC(C)(C)OC(=O)Nc1sc(-c2c(F)cccc2F)nc1C(=O)Nc1cnn(CC(F)F)c1 to produce Nc1sc(-c2c(F)cccc2F)nc1C(=O)Nc1cnn(CC(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.