You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (E)-1,1,1-trifluoro-5-[5-methyl-3-(trifluoromethyl)pyrazol-1-yl]-4-pyrrolidin-1-ylpent-3-en-2-one by IUPAC nomenclature, provide its molecular formula.
user
C14H15F6N3O
assistant