You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-3-[(1-ethylpyrrolidin-2-yl)methyl]-2-[(3-fluoro-4-pyridin-3-yloxyphenyl)methyl]guanidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H30FN5O
assistant