You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[2-(3,4-difluorophenoxy)ethyl]-N'-methyl-4-(2-oxo-2-pyrrolidin-1-ylethyl)piperazine-1-carboximidamide;hydroiodide .
user
C20H30F2IN5O2
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