You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[3-(2,5-dihydropyrrol-1-yl)phenyl]methyl]-1-ethyl-3-[[4-(2-oxopyrrolidin-1-yl)phenyl]methyl]guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H32IN5O
assistant