You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[31-[6-[6-[6-(1,2-dihydroxyheptadeca-3,14,16-trienyl)-4,5-dihydroxyoxan-2-yl]-1,5,6-trihydroxy-4-methylidenehexyl]-3,4,5-trihydroxyoxan-2-yl]-1,2,6,14,17,18,22,23,24,29,30-undecahydroxy-16,21,28-trimethylhentriacont-4-en-10-yl] hydrogen sulfate is the IUPAC name of a molecule. Please give its molecular formula.
user
C68H124O27S
assistant