You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-[1-[3-[2-(hydroxymethyl)pyrrolidin-1-yl]propyl]-3-[3-(2-methylpyrrolidin-1-yl)propyl]imidazolidin-2-ylidene]propanedinitrile ?
user
C22H36N6O
assistant