You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,6S)-2,6-bis(prop-2-enyl)-1,2,3,6-tetrahydropyridine;2,4,6-trinitrophenol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H20N4O7
assistant