3-Ethyl-2-(7-(3-ethylbenzo[d]thiazol-2(3H)-ylidene)hepta-1,3,5-trien-1-yl)benzo[d]thiazol-3-ium perchlorate

3-Ethyl-2-(7-(3-ethylbenzo[d]thiazol-2(3H)-ylidene)hepta-1,3,5-trien-1-yl)benzo[d]thiazol-3-ium perchlorate