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-amino-3-methyl-N-[2-[3-[(2-methylpropanoylamino)methyl]piperidin-1-yl]-2-oxoethyl]butanamide ?
user
C17H32N4O3
assistant