You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(2S)-3-[(5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoyl]oxy-2-octadecoxypropyl] (7Z,10Z,13Z,16Z)-docosa-7,10,13,16-tetraenoate into molecular formula.
user
C63H106O5
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