10-octyl-3-(2-(10-octyl-10H-phenothiazin-3-yl)vinyl)-7-(2-(10-octyl-3-(2-(10-octyl-3-(2-(10-octyl-10H-phenothiazin-7-yl)vinyl)-10H-phenothiazin-7-yl)vinyl)-10H-phenothiazin-7-yl)vinyl)-10H-phenothiazine