You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name tert-butyl (2S)-2-[4-(4-bromophenyl)-5-(trifluoromethyl)-1H-imidazol-2-yl]pyrrolidine-1-carboxylate ?
user
C19H21BrF3N3O2
assistant