[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][S].[O].[Cl]"}, {"from": "gpt", "value": "The molecule is a hydrate that is the monohydrate form of L-cysteine hydrochloride. It has a role as an EC 4.3.1.3 (histidine ammonia-lyase) inhibitor, a flour treatment agent and a human metabolite. It contains a L-cysteine hydrochloride."}]