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 (2S)-2-[[2-ethyl-3-(3-oxomorpholin-4-yl)phenyl]sulfonylamino]-3-[(2S)-2-(methoxymethyl)pyrrolidin-1-yl]-3-oxopropanamide ?
user
C21H30N4O7S
assistant