Sodium borohydride → Ammonia

Reaction equation

[N+:1]([C:4]1[CH:9]=[CH:8][C:7]([CH2:10][CH2:11][CH:12]=O)=[CH:6][CH:5]=1)([O-:3])=[O:2].[NH2:14][CH2:15][CH2:16][NH:17][S:18]([C:21]1[C:22]2[CH:23]=[CH:24][N:25]=[CH:26][C:27]=2[CH:28]=[C:29]([Br:31])[CH:30]=1)(=[O:20])=[O:19].[BH4-].[Na+]>C(Cl)Cl.CO>[NH3:1].[N+:1]([C:4]1[CH:9]=[CH:8][C:7]([CH2:10][CH2:11][CH2:12][NH:14][CH2:15][CH2:16][NH:17][S:18]([C:21]2[C:22]3[CH:23]=[CH:24][N:25]=[CH:26][C:27]=3[CH:28]=[C:29]([Br:31])[CH:30]=2)(=[O:19])=[O:20])=[CH:6][CH:5]=1)([O-:3])=[O:2]