You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(5-cyclohexyl-1,3,4-oxadiazol-2-yl)-2-methyl-3H-1,2-benzothiazin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H19N3O2S
assistant