You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-O-(2,5-dioxopyrrolidin-1-yl) 5-O-phosphanyl 2-[[2-[[(2S)-2-acetamido-5-[[amino-(phosphanylamino)methylidene]amino]pentanoyl]amino]acetyl]amino]pentanedioate is given. What is its corresponding molecular formula?
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C19H31N7O9P2
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