You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1'R,2S,2'S,4'S)-1'-methyl-N-[(1-methylbenzimidazol-2-yl)methyl]-4-oxospiro[1,3-dihydroquinazoline-2,5'-bicyclo[2.2.2]octane]-2'-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H29N5O2
assistant