You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[(5-amino-1,3,4-thiadiazol-2-yl)sulfanyl]-1-(4-tert-butylphenyl)propan-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H19N3OS2
assistant