You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(3-cyano-6-methyl-5,7-dihydro-4H-thieno[2,3-c]pyridin-2-yl)-2-[[4-(trifluoromethyl)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-yl]sulfanyl]acetamide is given. What is its corresponding molecular formula?
user
C19H18F3N5OS2
assistant