You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (2Z)-3-ethyl-2-[(1-ethyl-7-methoxyquinolin-1-ium-2-yl)methylidene]-6-methyl-1,3-benzothiazole;iodide .
user
C23H25IN2OS
assistant