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 N-(2-amino-2-oxoethyl)-3-(cyclohexylcarbamoylamino)-1-(3,3-dimethylbutanoyl)-N-methylpyrrolidine-2-carboxamide ?
user
C21H37N5O4
assistant