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What is the molecular formula of the compound with this IUPAC name 2-[(E)-2-[(3E)-5-carboxy-2-[4-(2-carboxyethyl)phenoxy]-3-[(2Z)-2-[3,3-dimethyl-5-methylsulfonyl-1-[3-(trimethylazaniumyl)propyl]-1H-inden-2-ylidene]ethylidene]cyclohexen-1-yl]ethenyl]-3,3-dimethyl-1-[3-(trimethylazaniumyl)propyl]indol-1-ium-5-sulfonate ?
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C54H71N3O10S2+2
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