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 3-[6-[4-[(dimethylamino)methyl]triazol-1-yl]-3-oxo-1H-isoindol-2-yl]piperidine-2,6-dione;2,2,2-trifluoroacetic acid .
user
C20H21F3N6O5
assistant