You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 5-tert-butyl-N-[(1,1-dioxothiolan-3-yl)methyl]-N'-methyl-2,3-dihydroindole-1-carboximidamide;hydroiodide ?
user
C19H30IN3O2S
assistant