CC1(C)CC(C)(C)C(=O)C(C(=O)c2ccc(C(F)(F)F)cc2[N+](=O)[O-])C1=O    mol2700    0_1
CC1(C)CC(C)(C)C(=O)[C-](C(=O)c2ccc(C(F)(F)F)cc2[N+](=O)[O-])C1=O    mol2700    -1_1