You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-[(cyclopropylamino)methyl]-N-methyl-N-[(2-methylcyclopropyl)methyl]thiophene-2-sulfonamide by IUPAC nomenclature, provide its molecular formula.
user
C14H22N2O2S2
assistant