You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2,2,2-trifluoro-1-[1-[[(3R)-oxolan-3-yl]methyl]pyrazol-4-yl]ethanone by IUPAC nomenclature, provide its molecular formula.
user
C10H11F3N2O2
assistant