You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 2-[4-[2-[(3R)-3-(1,3-benzothiazol-2-yl)piperidin-1-yl]acetyl]piperazin-1-yl]-N,N-dimethylacetamide ?
user
C22H31N5O2S
assistant