You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-1-[(E)-hexadec-9-enoyl]oxy-3-[(2R,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypropan-2-yl] (9E,12E,15E)-octadeca-9,12,15-trienoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C43H74O10
assistant