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 [2-[[(2R)-1-methoxy-4-methyl-1-oxopentan-2-yl]amino]-2-oxoethyl] 1-phenylcyclopentane-1-carboxylate ?
user
C21H29NO5
assistant