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 tert-butyl 4-[1-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)-1-oxopropan-2-yl]piperazine-1-carboxylate ?
user
C19H29N3O3S
assistant