You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
pentapotassium;(2E)-2-[(2E,4E,6E)-7-[1,1-dimethyl-7-oxidoperoxysulfanyl-3-(sulfomethyl)-9-sulfonatobenzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethyl-9-oxidoperoxysulfanyl-3-(sulfonatomethyl)benzo[e]indole-7-sulfonate is the IUPAC name of a molecule. Please give its molecular formula.
user
C37H32K5N2O18S6+
assistant