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-(5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)sulfanyl-N-[(3-methylpyridin-2-yl)methyl]acetamide ?
user
C17H18N4OS2
assistant