You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4,6-dihydrazinylpyrimidin-2-yl)-1-methylsulfonyl-N-phenyl-2,3-dihydroindol-6-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H22N8O2S
assistant