You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(3-tert-butyl-1,2,4-oxadiazol-5-yl)-N-[2-(hydroxymethyl)-2-methylcyclopentyl]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H27N3O3
assistant