You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[(3R)-3-methyl-4-(4-methyl-1,3-thiazol-2-yl)piperazin-1-yl]-1-pyrrolidin-1-ylethanone ?
user
C15H24N4OS
assistant