You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-[[(4S)-4-methyl-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl]methyl]-3-propan-2-ylimidazolidine-2,4,5-trione .
user
C15H19N3O3S
assistant