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 [2-[[1-(sulfomethyl)naphtho[2,3-e][1,3]benzothiazol-1-ium-2-yl]methylidene]-5-thiophen-2-yl-1,3-benzothiazol-3-yl]methanesulfonic acid .
user
C29H21N2O6S5+
assistant