You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-[(3aS,4R,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-(2-aminoethyl)pentanamide;hydrochloride into its molecular formula.
user
C12H23ClN4O2S
assistant