You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 3-ethyl-2-[(E)-[(4S,5S)-3,4,5-trimethylcyclohex-2-en-1-ylidene]methyl]-1,3-benzothiazol-3-ium using the IUPAC nomenclature.
user
C19H24NS+
assistant