You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-(cyclohexylmethyl)-4-propyl-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]imidazol-2-one by IUPAC nomenclature, provide its molecular formula.
user
C27H32N6O
assistant