You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(3-tert-butyl-1,2,4-thiadiazol-5-yl)-3-[(1R,2S)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]urea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H20N4O2S
assistant