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-methylpyridin-1-ium-3-yl)ethylamino]pyrazol-3-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H24N5O+
assistant