You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-but-1-en-1-amine;ethane;4-(2-fluoro-5-methylphenyl)-2-methyl-N-[(2E,4Z,6E)-7-methylnona-2,4,6-trien-3-yl]pyrazol-3-amine;1-methyl-N,N-dipropylpiperidin-4-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C39H67FN6
assistant