You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule methyl (2Z)-2-[[4-(diethylamino)phenyl]hydrazinylidene]-2-(1-methyl-1,2-dihydropyridin-1-ium-2-yl)acetate;trifluoroborane .
user
C19H27BF3N4O2+
assistant