You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[6-hydroxy-3-[[4-(4-nitro-2-sulfoanilino)phenyl]hydrazinylidene]-4-oxocyclohexa-1,5-dien-1-yl]diazenyl]-3-[(4-methoxyphenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C35H26N8O15S3
assistant