You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2Z)-1-ethyl-2-[(1-ethylquinolin-1-ium-2-yl)methylidene]quinoline;3-[(2E)-2-[(2E)-2-[[1-(3-sulfonatopropyl)benzo[e][1,3]benzothiazol-1-ium-2-yl]methylidene]butylidene]benzo[e][1,3]benzothiazol-1-yl]propane-1-sulfonate into molecular formula.
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C56H54N4O6S4
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