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Under IUPAC nomenclature, a molecule named hydroxy-[1-hydroxy-1-[hydroxy(oxo)phosphaniumyl]oxy-2-[4-[2-[[2-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetrazacyclododec-1-yl]acetyl]amino]ethyl]imidazol-1-yl]ethoxy]-oxophosphanium is given. What is its corresponding molecular formula?
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C23H39N7O14P2+2
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