You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (E)-but-2-enedioic acid;N-cyclohexyl-4-[3-(4-fluoro-N-pyridin-2-ylanilino)propyl]piperazine-1-carboxamide .
user
C33H42FN5O9
assistant