You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(2R)-3-[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl]oxy-2-[(Z,9S,10S)-9,10-dihydroxyoctadec-12-enoyl]oxypropyl] (8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoate into its molecular formula.
user
C50H83N3O17P2
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