You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [(3R,4S)-4-hydroxy-5-oxooxolan-3-yl]methyl (2E,4R,5S,6E)-4,5-dihydroxyocta-2,6-dienoate .
user
C13H18O7
assistant