You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-[(Z)-hexadec-9-enoyl]oxy-6-[2-[(Z)-hexadec-9-enoyl]oxy-3-[(11Z,14Z,17Z)-icosa-11,14,17-trienoyl]oxypropoxy]-3,4-dihydroxyoxane-2-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C61H104O12
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