You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,4,6-trifluoro-N-[(1E)-1-(iodoamino)-3-(piperidin-4-ylcarbamoyl)buta-1,3-dien-2-yl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H18F3IN4O2
assistant