You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 3-[4-[(3-amino-3-ethylazetidin-1-yl)methyl]-3-oxo-1H-isoindol-2-yl]piperidine-2,6-dione ?
user
C19H24N4O3
assistant