You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-piperidin-1-yl-2-[4-[(2-propyl-1,3-thiazol-4-yl)methyl]piperazin-1-yl]ethanone .
user
C18H30N4OS
assistant