You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4,5,7-trideuterio-6-[deuterio(difluoro)methoxy]-2-[dideuterio-(5,6-dideuterio-3,4-dimethoxypyridin-2-yl)methyl]sulfinyl-1H-benzimidazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H15F2N3O4S
assistant