You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-amino-1,2-diethyl-5-[2-(1-methylpyrrolidin-1-ium-1-yl)ethylamino]pyrazol-3-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H28N5O+
assistant