You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(2R,3R,4S,5R)-5-(10-chlorodecylperoxymethyl)-3,4-dihydroxyoxolan-2-yl]pyrimidine-2,4-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H31ClN2O7
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