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What is the molecular formula of the compound with this IUPAC name sodium;3-[4-(2,5-dioxopyrrolidin-1-yl)oxy-4-oxobutyl]-2-[[9-[2-(2-methoxyethoxy)ethyl]-6,8,8-trimethyl-2-phenylpyrano[3,2-g]quinolin-4-ylidene]methyl]-3-methyl-1-(3-sulfopropyl)indol-1-ium-5-sulfonate ?
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C47H53N3NaO13S2+
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