You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-prop-2-ynylpent-4-ynyl 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylate using the IUPAC nomenclature.
user
C23H21NO3
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