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 1-ethyl-3-[1-(3-fluoropyridin-2-yl)pyrrolidin-3-yl]-2-[2-[(3-methoxyphenyl)methoxy]ethyl]guanidine;hydroiodide .
user
C22H31FIN5O2
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