message: fixed wrong PNA backboneEnd atom name
diff: @@ -87,7 +87,7 @@ export const MoleculeTypeAtomRoleId: { [k: number]: { [k in AtomRole]: Set<strin
  trace: new Set(['N4\'', 'N4*']),
  direction: new Set(['C7\'', 'C7*']),
  backboneStart: new Set(['N1\'', 'N1*']),
  - backboneEnd: new Set(['C1\'', 'C1*']),
  + backboneEnd: new Set(['C\'', 'C*']),
  coarseBackbone: new Set(['P'])
  }
  }
  