You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-hydroxy-2-[[2-[[(9Z,12Z)-8-icosanoyloxyhexadeca-9,12-dienoyl]amino]acetyl]amino]propanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C41H74N2O7
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