You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(2-fluorophenyl)-3-hydroxy-N-[(5-pyridin-2-yl-1,2-oxazol-3-yl)methyl]pyrrolidine-1-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H19FN4O3
assistant