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-[2-(2,3-dihydro-1H-indazol-4-yl)-6-[(4-methylsulfonylpiperazin-1-yl)methyl]-2,4a,6,7-tetrahydrothieno[3,2-d]pyrimidin-4-yl]morpholine .
user
C23H33N7O3S2
assistant