You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-thiomorpholin-3-yl-N-[4-[5-(trifluoromethyl)-1,2,4-oxadiazol-3-yl]phenyl]acetamide;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H16ClF3N4O2S
assistant