You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N,N-bis[2-[3-[2-[2-[2-[2-(1,3-dioxoisoindol-2-yl)oxyethoxy]ethoxy]ethoxy]ethoxy]propanoylamino]ethyl]-6-[3-(phenyldisulfanyl)propanoylamino]hexanamide by IUPAC nomenclature, provide its molecular formula.
user
C57H78N6O18S2
assistant