You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [4-ethyl-4-(hydroxymethyl)piperidin-1-yl]-(2,2,3,3-tetramethylcyclopropyl)methanone is given. What is its corresponding molecular formula?
user
C16H29NO2
assistant