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 (2S)-2-(4-bromo-3,5-dimethylpyrazol-1-yl)-1-[(5R)-5-hydroxy-5-(trifluoromethyl)-4H-pyrazol-1-yl]butan-1-one .
user
C13H16BrF3N4O2
assistant