You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(6-oxo-1H-pyridin-2-yl)methyl]-5-phenylmethoxy-2-(2,2,2-trifluoroethoxy)benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H19F3N2O4
assistant