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Under IUPAC nomenclature, a molecule named 2-[3-(1,3-dihydroxypropan-2-yloxy)-2-[1-(1,3-dihydroxypropan-2-yloxy)-3-(1-hydroxy-3-nitrosopropan-2-yl)oxypropan-2-yl]oxypropoxy]-3-hydroxypropanal is given. What is its corresponding molecular formula?
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C18H35NO13
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