You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2R)-1-[4-(4-acetamido-N-methylanilino)-4-methylpiperidin-1-yl]-3-methyl-1-oxobutan-2-yl]-2-fluoro-5-methylbenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H37FN4O3
assistant