You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[2-[2-[2-(hydroxymethyl)pyrrolidin-1-yl]-2-oxoethyl]pent-4-enoylamino]-3-phenylmethoxypropyl] pent-4-enoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H38N2O6
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