You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1S,8R,9S)-9-[2-[3-(1H-benzimidazol-2-yl)propyl-methylamino]ethyl]tricyclo[6.2.2.02,7]dodeca-2,4,6-trien-9-ol into its molecular formula.
user
C25H31N3O
assistant