You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [1-[(8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoyl]oxy-3-[(3Z,6Z,9Z,12Z,15Z)-octadeca-3,6,9,12,15-pentaenoxy]propan-2-yl] (11Z,14Z)-icosa-11,14-dienoate .
user
C61H98O5
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