You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-[[4-[[4-[2-[4-[[4-[(4-carboxyphenyl)diazenyl]-2,5-dimethylphenyl]diazenyl]-2-sulfophenyl]ethenyl]-3-hydroxysulfanyloxyphenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]benzoic acid by IUPAC nomenclature, provide its molecular formula.
user
C44H36N8O9S2
assistant