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 2-(hydroxymethyl)-5-[[(4S)-4-(hydroxymethyl)-5-sulfopentyl]-propylphosphanyl]pentane-1-sulfonic acid is given. What is its corresponding molecular formula?
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C15H33O8PS2
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