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 7-(3,4,4a,5,6,7,8,8a-octahydro-1H-isoquinolin-2-ylmethyl)-3-methyl-[1,3]thiazolo[3,2-a]pyrimidin-5-one .
user
C17H23N3OS
assistant