You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(4-chlorophenyl)-3-[2-[2-[5-[(4-chlorophenyl)carbamoyl-sulfanylamino]-1H-benzimidazol-2-yl]phenyl]-1H-benzimidazol-5-yl]-1-sulfanylurea is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H24Cl2N8O2S2
assistant