You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[5-[1-[6-(2,5-dioxopyrrolidin-1-yl)oxy-6-oxohexyl]-3,3-dimethyl-5-(trioxidanylsulfanyl)indol-1-ium-2-yl]penta-2,4-dienylidene]-3,3-dimethyl-1-[6-(methylamino)-6-oxohexyl]indole-5-sulfonic acid .
user
C42H53N4O11S2+
assistant