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 8-[3-[2-(7-fluoro-2,4-dimethyl-1H-indol-3-yl)ethyl]-4H-pyrimidin-3-ium-3-yl]quinoline ?
user
C25H24FN4+
assistant