You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule [(1S,2R,3S,5R)-2-[(E)-7-methoxy-7-oxohept-5-enyl]-3,5-bis(oxan-2-yloxy)cyclopentyl]methyl benzoate ?
user
C31H44O8
assistant