You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4S)-4-(3-hydroxyphenyl)-1,3-dimethyl-4,8-dihydropyrazolo[3,4-e][1,4]thiazepin-7-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H15N3O2S
assistant