Hydrochloric Acid → 6-Chloro[1,3]dioxolo[4,5-f][1,3]benzothiazole

Reaction equation

[CH2:21]([O:22][CH2:23][CH3:24])[CH3:25].[CH3:28][C:29]#[N:30].[Cl:31][Cu:32][Cl:33].[ClH:27].[N:14]([O:15][C:16]([CH3:17])([CH3:18])[CH3:19])=[O:20].[NH2:1][c:2]1[s:3][c:4]2[c:5]([n:6]1)[cH:7][c:8]1[c:9]([cH:10]2)[O:11][CH2:12][O:13]1.[OH2:26]>>[c:2]1([Cl:27])[s:3][c:4]2[c:5]([n:6]1)[cH:7][c:8]1[c:9]([cH:10]2)[O:11][CH2:12][O:13]1