You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-[(1S)-1-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)ethoxy]-2,3-dihydroinden-1-one by IUPAC nomenclature, provide its molecular formula.
user
C16H16N2O3
assistant