You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,4S)-4-[2-(4-phenyl-1,3-thiazol-2-yl)imidazol-1-yl]piperidin-3-ol;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H19ClN4OS
assistant