You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 5-methyl-N'-(1-methylpyrazol-4-yl)sulfonyl-4,5,6,7-tetrahydro-1-benzothiophene-2-carbohydrazide is given. What is its corresponding molecular formula?
user
C14H18N4O3S2
assistant