You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 8-[3-[1-(2-phenylethyl)benzimidazol-2-yl]azetidin-1-yl]-2,6,7,12-tetrazatricyclo[7.5.0.03,7]tetradeca-1,3,5,8-tetraene into its molecular formula.
user
C28H29N7
assistant