You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[3-[(4-fluorophenyl)methyl]-2-oxoimidazolidin-1-yl]-N-(pyridin-2-ylmethyl)pyridine-4-carboxamide .
user
C22H20FN5O2
assistant