You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-[[N'-[(1-cyclopropylpyrrolidin-3-yl)methyl]-N-ethylcarbamimidoyl]amino]ethyl]cyclopropanecarboxamide into its molecular formula.
user
C17H31N5O
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