C[C@]1(c2ccccc2)C(=O)NC(=O)N(C(=O)c2ccccc2)C1=O    mol34898    0_1
C[C@]1(c2ccccc2)C(=O)[N-]C(=O)N(C(=O)c2ccccc2)C1=O    mol34898    -1_1