You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[(3S)-3-[[4-[1-(benzenesulfonyl)indol-3-yl]-5-chloropyrimidin-2-yl]amino]cyclopentyl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H30ClN5O4S
assistant