You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-1-[3-[[[6-propyl-4-[3-(trifluoromethyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl]thieno[2,3-d]pyrimidin-2-yl]amino]methyl]pyrrolidin-1-yl]propan-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H31F3N8OS
assistant