You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[1-(2,3-dihydro-1,4-benzodioxin-6-yl)-5-oxopyrrolidin-3-yl]-3-[3-(2-oxopyrrolidin-1-yl)propyl]urea into its molecular formula.
user
C20H26N4O5
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