You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [4-[[4-(dimethylamino)phenyl]-[4-[methyl-[(3-sulfophenyl)methyl]amino]phenyl]methylidene]-2-sulfocyclohexa-2,5-dien-1-ylidene]-dimethylazanium into its molecular formula.
user
C31H34N3O6S2+
assistant