You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[4-chloro-5-cyclopropyl-3-(trifluoromethyl)pyrazol-1-yl]-1-[4-[(1,3-dimethylpyrazol-4-yl)methyl]piperazin-1-yl]ethanone by IUPAC nomenclature, provide its molecular formula.
user
C19H24ClF3N6O
assistant