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Can you give the molecular formula of the molecule 6-[(2Z)-4,5,6-triiodo-3-methyl-2-[(2E,4E,6E)-7-[3-methyl-5-sulfo-1-(1-sulfobutyl)-3-(4-sulfobutyl)indol-1-ium-2-yl]hepta-2,4,6-trienylidene]-1-(3-sulfopropyl)indol-3-yl]hexanoic acid ?
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C42H54I3N2O14S4+
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