You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-(3-fluoropyridin-2-yl)-N-[[(2S,3R)-2-(1,3,5-trimethylpyrazol-4-yl)oxolan-3-yl]methyl]acetamide ?
user
C18H23FN4O2
assistant