You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (4S)-1-(1,3-benzothiazol-2-yl)-4-(2-cyclopentyloxyphenyl)-3-methyl-5,7-dihydro-4H-pyrazolo[3,4-b]pyridin-6-one into molecular formula.
user
C25H24N4O2S
assistant