You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (1R,4E,5'S,6S,6'S,7R,8S,10R,11R,12S,14R,15S,16R,18E,20E,22R,25S,27R,28R,29R)-22-ethyl-7,11,14,15-tetrahydroxy-5',6,8,10,12,14,16,28,29-nonamethyl-6'-[(2S)-2-(4-phenyltriazol-1-yl)propyl]spiro[2,26-dioxabicyclo[23.3.1]nonacosa-4,18,20-triene-27,2'-oxane]-3,9,13-trione is given. What is its corresponding molecular formula?
user
C53H79N3O10
assistant