You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named azanium;3-[(2E)-2-[(Z)-2-amino-3-[3-(3-sulfonatopropyl)-1,3-benzothiazol-3-ium-2-yl]prop-2-enylidene]-1,3-benzothiazol-3-yl]propane-1-sulfonate is given. What is its corresponding molecular formula?
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C23H28N4O6S4
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