You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-[[6-(4-methylpiperidin-1-yl)pyridin-3-yl]methylamino]-2-oxo-1-phenylethyl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H30N4O2
assistant