You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N'-[2-(2,5-dioxoimidazolidin-1-yl)ethyl]-N,3-diethyl-3-methylpyrrolidine-1-carboximidamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H27N5O2
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