You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[5-(1,1-dimethyl-3-propyl-8-sulfobenzo[e]indol-3-ium-2-yl)penta-2,4-dienylidene]-1,1,8-trimethyl-3-[6-oxo-6-[[4-oxo-4-[[2,4,5-trihydroxy-6-(hydroxymethyl)oxan-3-yl]amino]butyl]amino]hexyl]benzo[e]indole-5-sulfonic acid;sulfur trioxide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C53H67N4O16S3+
assistant