You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (9E,12E)-N-[(2S,3R,4E,6E)-1,3-dihydroxytetradeca-4,6-dien-2-yl]octadeca-9,12-dienamide by IUPAC nomenclature, provide its molecular formula.
user
C32H57NO3
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