You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 6-methyl-1-[2-[2-(trifluoromethyl)benzimidazol-1-yl]acetyl]piperidine-3-carboxylic acid into its molecular formula.
user
C17H18F3N3O3
assistant