You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[(1R)-1-(3-methyl-1,2,4-oxadiazol-5-yl)-2-methylsulfanylethyl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C11H19N3O3S
assistant