You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(2S,4S,5S)-2-dibutoxyphosphoryloxy-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-yl] 2,2-dimethylpropanoate by IUPAC nomenclature, provide its molecular formula.
user
C40H55O10P
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