You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5S,7R)-3-acetamido-N-(5-prop-2-enylsulfanyl-1,3,4-thiadiazol-2-yl)adamantane-1-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H24N4O2S2
assistant