You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule tert-butyl (3S)-3-[[2-(trifluoromethyl)imidazo[4,5-b]pyridin-3-yl]methyl]piperidine-1-carboxylate .
user
C18H23F3N4O2
assistant