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-[3-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)-3-oxopropyl]-1-ethyl-3-[3-(3-methoxypropoxy)phenyl]guanidine ?
user
C23H32N4O3S
assistant