You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (Z)-2-hydroxy-N-[(4E,8E,12E)-3-hydroxy-1-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoctadeca-4,8,12-trien-2-yl]dotriacont-17-enamide into molecular formula.
user
C56H103NO9
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