You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [4-[5,6-dimethyl-2-(phenylsulfanylmethyl)thieno[2,3-d]pyrimidin-4-yl]piperazin-1-yl]-(oxolan-2-yl)methanone .
user
C24H28N4O2S2
assistant