You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (6E)-7-(1,3-dihydroxypropyl)-3-[1,2-dihydroxy-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxybutylidene]-12-(2-hydroxypropan-2-yl)-9-(3-iodo-4,4,9,13,14-pentamethyl-2,3,7,8,10,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl)-1,4,8-trioxacyclododec-6-ene-2,5,6-triol using the IUPAC nomenclature.
user
C47H77IO17
assistant