You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(4-chloro-1H-indazol-5-yl)-5-(2-thiophen-2-yl-1H-benzimidazol-4-yl)-1,3,4-thiadiazol-2-amine is given. What is its corresponding molecular formula?
user
C20H12ClN7S2
assistant