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 [4-[3-ethyl-4-[4-(4-pentylcyclohexyl)phenyl]phenyl]-2-[(3-hydroxy-2-methylidenebutanoyl)oxymethyl]butyl] 3-hydroxy-2-methylidenebutanoate .
user
C40H56O6
assistant