You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-(3-cyano-1-cyclobutyl-6-pyridin-2-yl-2,3-dihydroindol-2-yl)-3-methylphenyl]propane-1-sulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H30N4O2S
assistant