You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(3Z,5Z)-6-amino-4-[(3S)-4-hydroxy-3,5-dimethylpiperidin-1-yl]hexa-1,3,5-trien-3-yl]-6-(4-ethyl-2,6-difluorophenyl)-5-fluoropyridine-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H31F3N4O2
assistant