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 propan-2-yl 2-[2-[[(1S,3R,6R,8R,9R)-8-(2,4-dioxopyrimidin-1-yl)-9-ethynyl-9-methyl-3-oxo-2,4,7-trioxa-3lambda5-phosphatricyclo[4.3.0.01,5]nonan-3-yl]oxy]ethoxy]acetate is given. What is its corresponding molecular formula?
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C19H23N2O10P
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