You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-butyl-N-[(3-cyclopentylimidazo[4,5-b]pyridin-2-yl)methyl]-2-(trifluoromethyl)benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H27F3N4O
assistant