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system
[9-[4-[[(5S)-6-[[(2S)-3-(1-benzyl-3-methylimidazol-1-ium-4-yl)-1-[(1-benzylpiperidin-4-yl)amino]-1-oxopropan-2-yl]amino]-5-[[2-(2-imino-3-methyl-1,3-thiazol-4-yl)acetyl]amino]-6-oxohexyl]sulfamoyl]-2-sulfophenyl]-6-(diethylamino)xanthen-3-ylidene]-diethylazanium The above is the IUPAC name of a molecule. Write its molecular formula.
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