You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4S)-5-oxo-4-[(6-phenylpyridine-2-carbonyl)amino]-5-(4-propanoyloxypiperazin-1-yl)pentanoic acid into its molecular formula.
user
C24H28N4O6
assistant