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 N-[(3R)-1-[5-(4-fluorophenyl)-1H-pyrazol-3-yl]piperidin-3-yl]pyridine-2-carboxamide ?
user
C20H20FN5O
assistant