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,4R,5R,6R)-2-methoxy-6-(methoxymethyl)-4-pentadecanoyloxy-5-sulfooxyoxan-3-yl] hexadecanoate .
user
C39H74O11S
assistant