You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-[(2S)-4-benzyl-3-oxopiperazin-2-yl]ethyl]-1-[4-(3-fluoro-5-methylphenoxy)butyl]-5-oxopyrrolidine-3-carboxamide into its molecular formula.
user
C29H37FN4O4
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