You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S)-3-amino-2-[cyclopropyl(2-methylpropyl)amino]-N-[4-(3-oxomorpholin-4-yl)-3-(trifluoromethyl)phenyl]propanamide into molecular formula.
user
C21H29F3N4O3
assistant