You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[(2-butan-2-yl-3H-benzimidazol-5-yl)sulfonyl]-2-[3-(3-methylpentan-3-yl)phenyl]-1H-benzimidazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H34N4O2S
assistant