You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[(1S)-2-[(6-aminopyridin-3-yl)methylamino]-2-oxo-1-(4-phenylmethoxyphenyl)ethyl]hexanamide into its molecular formula.
user
C27H32N4O3
assistant