You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule [6-[6-[[(E)-3-[1-[(2R,4R,5R)-4-[2-cyanoethoxy(methyl)phosphanyl]oxy-5-ethyloxolan-2-yl]-2,4-dioxopyrimidin-5-yl]prop-2-enoyl]amino]hexylcarbamoyl]-6'-(2,2-dimethylpropanoyloxy)-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl] 2,2-dimethylpropanoate into molecular formula.
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C54H62N5O14P
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