You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R,3S,4S,5R,6S)-6-[(2R,3S,4R,5R,6S)-6-[[(2S,4aR,6S,7R,8S,8aS)-7-acetyloxy-6-[(2R,3S,4R,5R)-5-(3,4-dimethyl-2,5-dioxopyrrol-1-yl)-4-phenylmethoxy-2-(phenylmethoxymethyl)-6-(2,2,2-trichloroethanimidoyl)oxyoxan-3-yl]oxy-2-phenyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl]oxy]-5-(3,4-dimethyl-2,5-dioxopyrrol-1-yl)-4-phenylmethoxy-2-(phenylmethoxymethyl)oxan-3-yl]oxy-3,4,5-triacetyloxyoxan-2-yl]methyl acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C83H90Cl3N3O28
assistant