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 [[5-(2-amino-6-hydroxy-3,6-dihydropurin-9-yl)-2-fluoro-3,4-dihydroxy-4-methyloxolan-2-yl]methoxy-(propan-2-yloxycarbonyloxymethoxy)phosphoryl]oxymethyl propan-2-yl carbonate is given. What is its corresponding molecular formula?
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C21H33FN5O14P
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