You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(methoxymethyl)-N-[6-[4-(trifluoromethyl)phenoxy]pyridin-3-yl]pyridine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H16F3N3O3
assistant