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 N-(2-chloropyridin-3-yl)-2-[(4S)-4-thiophen-2-yl-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl]acetamide ?
user
C18H16ClN3OS2
assistant