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 [(2R,5R)-5-[5-[(E)-3-[6-[[3',6'-bis(2,2-dimethylpropanoyloxy)-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carbonyl]amino]hexylamino]-3-oxoprop-1-enyl]-2,4-dioxopyrimidin-1-yl]-3-methoxyoxolan-2-yl]methoxy-methylphosphinic acid is given. What is its corresponding molecular formula?
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C51H59N4O16P
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