You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(9S,15S,21S,27S)-7-(2-amino-2-oxoethyl)-19-[2-(1,3-benzodioxol-5-yl)acetyl]-9,27-dibenzyl-21-(2-carboxyethyl)-25-(3-cyclohexylpropanoyl)-6,11,17,23,29-pentaoxo-13-(4-oxopentanoyl)-2-thia-7,10,13,16,19,22,25,28-octazabicyclo[28.2.2]tetratriaconta-1(32),30,33-trien-15-yl]propanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C70H89N9O16S
assistant