You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[3-[(methylideneamino)methyl]-6-pyridin-4-yl-4-(trifluoromethyl)pyridin-2-yl]amino]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H14F3N5O
assistant