NSF.mol
  -ISIS-            3D

  3  2  0  0  0  0  0  0  0  0  0
   -0.3908   -0.2278    0.0001 S   0  0  0  0  0
    1.3734   -0.4115    0.0000 F   0  0  0  0  0
   -0.9379    1.1390    0.0000 N   0  0  0  0  0
  1  2  1  0  0  0
  1  3  3  0  0  0