You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(2R,3S,4R,5R)-5-(6-anilinopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl dihydrogen phosphate into molecular formula.
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C16H18N5O7P
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