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-[[(3R)-3-methyl-1-[2-oxo-2-[[(1S)-1-phenylethyl]amino]ethyl]pyrrolidin-3-yl]amino]acetic acid ?
user
C17H25N3O3
assistant