You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [2-deuterio-4-(diethylamino)-5-(2-phenylnaphthalen-1-yl)pyridin-1-ium-1-yl]-trifluoroboranuide into molecular formula.
user
C25H24BF3N2
assistant