You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(2-fluoro-4-iodoanilino)-N-(2-hydroxyethoxy)-2H-imidazo[1,5-a]pyridin-4-ium-6-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H15FIN4O3+
assistant