You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[8-[(12Z,15Z,18Z,21Z)-tetracosa-12,15,18,21-tetraenoyl]oxypentadecanoylamino]acetic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C41H71NO5
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