You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-methyl-N-[(1S)-1-[1-(2-methylbenzoyl)piperidin-4-yl]-2-oxo-2-(propylamino)ethyl]benzamide into its molecular formula.
user
C26H33N3O3
assistant