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 (1S,2S,3S,4R)-3-(1-acetamido-2-ethylbutyl)-4-(diaminomethylideneamino)-2-(3-methylbutanoyloxy)cyclopentane-1-carboxylic acid ?
user
C20H36N4O5
assistant