SMILES: CC[N+](=C1C=CC2=NC3=C(C=C(C4=CC=CC=C43)N)OC2=C1)CC
Description: The molecule is an organic cation that is 6a,12a-dihydrobenzo[a]phenoxazin-7-ium substituted by amino and dimethylamino groups at positions 5 and 9 respectively. The chloride salt is the histological dye 'nile blue A'