You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [(3S,3aR,6S,6aS)-3-[4-[3-(benzimidazol-1-yl)propyl]piperazin-1-yl]-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-6-yl] nitrate;hydrochloride .
user
C20H28ClN5O5
assistant