You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)-N-[(6-methoxypyridin-3-yl)methyl]acetamide ?
user
C16H19N3O2S
assistant