You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-(4-tert-butylphenyl)-1-benzothiophen-1-ium;10-(4-methylphenyl)phenoxathiin-10-ium;1-phenyl-1-benzothiophen-1-ium;10-phenylphenoxathiin-10-ium;10-phenyl-2-(trifluoromethyl)thioxanthen-10-ium-9-one by IUPAC nomenclature, provide its molecular formula.
user
C89H70F3O3S5+5
assistant