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 N-[1-[5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-3-[tert-butyl(dimethyl)silyl]oxy-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]-2-oxopyrimidin-4-yl]acetamide is given. What is its corresponding molecular formula?
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C47H64N5O9PSi
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